Research graph
References from Food‐solicitation displays in nestling birds: still begging for answers. Local targets link to admitted publications; unresolved targets remain external evidence.
How should behavioural ecologists interpret measurements of immunity?
10.1016/j.anbehav.2004.05.005 · 2004 · External reference
Incentives in the family II: behavioral dynamics and the evolution of non‐costly signaling
10.1016/j.jtbi.2011.10.031 · 2012 · External reference
Individual differences affect honest signalling in a songbird
10.1098/rspb.2013.2496 · 2014 · External reference
The hidden fitness of the male zebra finch courtship song
10.1038/s41586-024-07207-4 · 2024 · External reference
10.1093/acprof:oso/9780199692576.003.0003
10.1093/acprof:oso/9780199692576.003.0003 · 2012 · External reference
Reliable information content and ontogenetic shift in begging calls of grey warbler nestlings
10.1111/j.1439-0310.2010.01750.x · 2010 · External reference
Physiological responses of host parents to rearing an avian brood parasite: an experimental study
10.1016/j.yhbeh.2020.104812 · 2020 · External reference
An Illustrative Case for Muscular Fatigue‐Resistance Underlying Exaggerated Begging in Avian Brood Parasites
10.1086/740830 · 2026 · External reference
Nestling colouration is adjusted to parent visual performance in altricial birds
10.1111/j.1420-9101.2008.01655.x · 2009 · External reference
No evidence that kin selection increases the honesty of begging signals in birds
10.1002/evl3.18 · 2017 · External reference
Kinship and familiarity mitigate costs of social conflict between Seychelles warbler neighbors
2017 · External reference
Development of parent‐young interaction in asynchronously hatched broods of altricial birds
10.1111/j.1439-0310.1981.tb01300.x · 1981 · External reference
Parental feeding rate in relation to begging behavior in asynchronously hatched broods of the great tit Parus major: an experimental study
10.1007/bf00290777 · 1983 · External reference
Signaling among relatives. III. Talk is cheap
10.1073/pnas.95.9.5100 · 1998 · External reference
Separating equilibria in continuous signalling games
10.1098/rstb.2002.1068 · 2002 · External reference
Effect of alarm calling by male red‐winged blackbirds on nestling begging and female provisioning behavior
10.1111/j.1557-9263.2011.00342.x · 2011 · External reference
A general model of biological signals, from cues to handicaps
10.1002/evl3.57 · 2018 · External reference
A UV signal of offspring condition mediates context‐dependent parental favouritism
10.1098/rspb.2006.3546 · 2006 · External reference
Begging coordination between siblings in black‐headed gulls
10.1016/j.crvi.2010.06.002 · 2010 · External reference
Experimental manipulation of brood reduction and parental care in cooperatively breeding white‐winged choughs
10.2307/5921 · 1997 · External reference
Effect of UV‐reflectance of chick flanges on begging behaviour and body condition in barn swallow (Hirundo rustica, Aves: Hirundinidae) chicks
10.1080/11250003.2012.686524 · 2013 · External reference
Fine‐tuned modulation of competitive behaviour according to kinship in barn swallow nestlings
10.1098/rspb.2009.0085 · 2009 · External reference
Solicitation displays reliably reflect oxidative damage in barn swallow nestlings
10.1007/s00265-011-1302-3 · 2012 · External reference
Sex‐related asymmetry in competitive ability of sexually monomorphic barn swallow nestlings
10.1007/s00265-007-0498-8 · 2008 · External reference
Barn swallow chicks beg more loudly when broodmates are unrelated
10.1111/j.1420-9101.2007.01441.x · 2008 · External reference
Effects of elevated yolk androgens on perinatal begging behavior in yellow‐legged gull (Larus michahellis) chicks
10.1016/j.yhbeh.2006.05.005 · 2006 · External reference
Birth order, individual sex and sex of competitors determine the outcome of conflict among siblings over parental care
2011 · External reference
Nestling size and ornamentation interact to shape early development in house sparrow families
10.1093/biolinnean/blad147 · 2024 · External reference
Nestling mouth colors mediate parental favoritism but do not influence detectability
10.1093/beheco/arad026 · 2023 · External reference
The evolution of individual variation in communication strategies
10.1111/j.1558-5646.2010.01065.x · 2010 · External reference
Condition‐dependent begging elicits increased parental investment in a wild bird population
10.1086/702848 · 2019 · External reference
Unresolved reference
2011 · External reference
Cost, competition and information in communication between relatives
10.1006/jtbi.2002.3035 · 2002 · External reference
The limits to cost‐free signalling of need between relatives
10.1098/rspb.2003.2329 · 2003 · External reference
Nest predation and the evolution of nestling begging calls
10.1098/rspb.1999.0902 · 1999 · External reference
Begging intensity of nestling birds varies with sibling relatedness
10.1098/rspb.1994.0144 · 1994 · External reference
Parental favoritism in a wild bird population
10.1007/s10071-020-01463-3 · 2021 · External reference
On the evolutionary stability of zero‐cost pooled‐equilibrium signals
10.1016/j.jtbi.2013.01.017 · 2013 · External reference
Inclusive fitness and the problem of honest communication
10.1093/bjps/axy028 · 2020 · External reference
Vocal begging and locomotor activity are modulated independently in Bank Swallow (Riparia riparia) nestlings
10.1642/auk-13-173.1 · 2014 · External reference
Does testosterone mediate the trade‐off between nestling begging and growth in the canary (Serinus canaria)?
10.1016/j.yhbeh.2007.08.009 · 2007 · External reference
Resource allocation varies with parental sex and brood size in the asynchronously hatching green‐rumped parrotlet (Forpus passerinus)
10.1007/s00265-008-0698-x · 2009 · External reference
Unresolved reference
2001 · External reference
Learning during competitive positioning in the nest: do nestlings use ideal free ‘foraging'tactics?
10.1007/s00265-005-0940-8 · 2005 · External reference
Parent‐absent begging: evidence for sibling honesty and cooperation in the spotless starling (Sturnus unicolor)
10.1093/beheco/arm134 · 2008 · External reference
Response to playback of nestling begging in the red‐winged blackbird, Agelaius phoeniceus
10.1006/anbe.1998.0830 · 1998 · External reference
Differences in the nestling begging calls of hosts and host‐races of the common cuckoo, Cuculus canorus
10.1006/anbe.2003.2066 · 2003 · External reference
Parental care in nesting hawks: breeding experience and food availability influence the outcome
10.1093/beheco/arr019 · 2011 · External reference
Behavioural responses to ectoparasites in pied flycatchers Ficedula hypoleuca: an experimental study
10.1111/j.1600-048x.2013.00134.x · 2013 · External reference
Unpredictable environments lead to the evolution of parental neglect in birds
10.1038/ncomms10985 · 2016 · External reference
Parental control: ecology drives plasticity in parental response to offspring signals
10.1093/beheco/araf058 · 2025 · External reference
Decision‐making in the Wild: urgency and complexity drive feeding decision speed and the likelihood of revising a choice in a sex‐dependent manner in great tit (Parus major) parents
10.1086/738498 · 2026 · External reference
Sibling conflict and dishonest signaling in birds
10.1073/pnas.1606378113 · 2016 · External reference
Sex differences in parental response to offspring begging are associated with pair bond strength across birds
10.1163/1568539x-bja10318 · 2025 · External reference
An easy method to test odour recognition in songbird hatchlings
10.1111/eth.12400 · 2015 · External reference
10.1007/0-306-47660-6_8
10.1007/0-306-47660-6_8 · 2002 · External reference
Begging response in nestling red‐winged blackbirds (Agelaius phoeniceus): effect of body temperature
10.1086/physzool.63.5.30152624 · 1990 · External reference
Begging, food provisioning, and nestling competition in great tit broods infested with ectoparasites
10.1093/beheco/7.2.127 · 1996 · External reference
10.1007/0-306-47660-6_10
10.1007/0-306-47660-6_10 · 2002 · External reference
Red‐winged blackbird females fail to increase feeding in response to begging call playbacks
10.1006/anbe.1998.0831 · 1998 · External reference
Elicitation of vocalizations and pecking in ring‐billed gull chicks
10.1163/156853981x00419 · 1981 · External reference
Do parents listen to their children? Begging does not go unanswered in European starlings (Sturnus vulgaris)
10.1676/17-065.1 · 2018 · External reference
Chick begging as a signal: are nestlings honest?
10.1093/beheco/7.2.178 · 1996 · External reference
Chick begging strategies in relation to brood hierarchies and hatching asynchrony
10.1086/303178 · 1999 · External reference
Environment quality predicts parental provisioning decisions
10.1098/rspb.1999.0848 · 1999 · External reference
Unresolved reference
1978 · External reference
Begging behavior and food acquisition by brown‐headed cowbird nestlings
10.1007/s002650050490 · 1998 · External reference
Brown‐headed cowbird nestling vocalizations and risk of nest predation
10.2307/4089378 · 1999 · External reference
Mouth coloration of nestlings covaries with offspring quality and influences parental feeding behavior
10.1093/beheco/arm006 · 2007 · External reference
Biparental care and offspring begging strategies: hungry nestling blue tits move towards the father
10.1016/j.anbehav.2007.04.024 · 2008 · External reference
Vocal communication regulates sibling competition over food stock
10.1007/s00265-016-2114-2 · 2016 · External reference
Stimuli for nestling begging in blue tits Cyanistes caeruleus: hungry nestlings are less discriminating
10.1111/j.0908-8857.2007.04074.x · 2007 · External reference
Differences in parental food allocation rules: evidence for sexual conflict in the blue tit?
10.1093/beheco/arm029 · 2007 · External reference
Begging in the absence of parents: a “quick on the trigger” strategy to minimize costly misses
10.1093/beheco/arl056 · 2007 · External reference
How siblings adjust sib–sib communication and begging signals to each other
10.1016/j.anbehav.2010.09.012 · 2010 · External reference
Unresolved reference
2001 · External reference
Food shortage influences sibling aggression in the blue‐footed booby
10.1016/0003-3472(89)90065-1 · 1989 · External reference
Parent‐offspring cooperation in the blue‐footed boody (Sula nebouxii): social roles in infanticial brood reduction
10.1007/bf00295710 · 1986 · External reference
Elder barn owl nestlings flexibly redistribute parental food according to siblings' need or in return for allopreening
10.1086/709106 · 2020 · External reference
Functional characterization of begging calls in thin‐billed prions Pachyptila belcheri chicks
10.3161/000164509x482704 · 2009 · External reference
The art of diplomacy in vocally negotiating barn owl siblings
10.3389/fevo.2019.00351 · 2019 · External reference
House sparrow, Passer domesticus, parents preferentially feed nestlings with mouth colours that appear carotenoid‐rich
10.1016/j.anbehav.2009.07.009 · 2009 · External reference
Proximate correlates of carotenoid‐based mouth coloration in nestling house sparrows
10.1525/cond.2011.100204 · 2011 · External reference
Yolk androgens and begging behaviour in black‐headed gull chicks: an experimental field study
10.1006/anbe.2003.2287 · 2003 · External reference
Competitive positioning as an indicator of nestling survival in red‐cockaded woodpeckers
10.1080/15555270903458301 · 2009 · External reference
Condition dependence of nestling mouth colour and the effect of supplementing carotenoids on parental behaviour in the hihi (Notiomystis cincta)
10.1007/s00442-008-1073-3 · 2008 · External reference
Size‐mediated dominance and begging behaviour in Eurasian kestrel broods
2003 · External reference
Food supply and provisioning behavior of parents: are small hoopoe nestlings condemned to die?
10.1093/beheco/arad067 · 2023 · External reference
10.1007/0-306-47660-6_24
10.1007/0-306-47660-6_24 · 2002 · External reference
Sibling symbiosis in nestling birds
10.1093/auk/124.1.1 · 2007 · External reference
Begging and feeding responses vary with relatedness and sex of provisioners in a cooperative breeder
10.1016/j.anbehav.2021.12.015 · 2022 · External reference
Responses of male white ibises to their mate's extra‐pair copulations
10.1007/bf00292503 · 1987 · External reference
Are offspring begging levels exaggerated beyond the parental optimum? Evidence from a bidirectional selection experiment
10.1111/jeb.13621 · 2020 · External reference
Size matters but hunger prevails—begging and provisioning rules in blue tit families
10.7717/peerj.5301 · 2018 · External reference
Information warfare in avian families: sex‐specific begging responses to need and social environment in canary nestlings
10.1016/j.anbehav.2016.03.015 · 2016 · External reference
Do barn swallow nestlings incur an oxidative cost of begging?
10.1007/s10336-023-02090-8 · 2024 · External reference
Central regulation of food intake in the neonatal chick
10.1046/j.1344-3941.2002.00014.x · 2002 · External reference
Sibling competition and siblicide in asynchronously‐hatching broods of the cattle egret Bubulcus ibis
10.1016/s0003-3472(85)80183-4 · 1985 · External reference
Ultraviolet‐blue reflectance of some nestling plumage patches mediates parental favouritism in great tits Parus major
10.1111/j.0908-8857.2008.04273.x · 2008 · External reference
Juvenile honest food solicitation and parental investment as a life history strategy: a kin demographic selection model
10.1371/journal.pone.0193420 · 2018 · External reference
Experimental evidence that adult UV/yellow colouration functions as a signal in blue tit families—but only for parents
10.1007/s00265-022-03145-1 · 2022 · External reference
When parents play favorites: brood demand shapes parental preference for offspring UV color
10.1093/beheco/arad040 · 2023 · External reference
Experimental evidence for parental, but not parentally biased, favouritism in relation to offspring size in blue tits Cyanistes caeruleus
10.1111/ibi.12140 · 2014 · External reference
The adaptive benefit of hatching asynchrony in wild zebra finches
10.1016/j.anbehav.2011.05.022 · 2011 · External reference
Maternal effects on begging behaviour: an experimental demonstration of the effects of laying sequence, hatch order, nestling sex and brood size
10.1007/s00265-012-1407-3 · 2012 · External reference
Acoustic parameters of begging calls indicate chick body condition in Wilson's storm‐petrels Oceanites oceanicus
10.1007/s10164-008-0115-y · 2009 · External reference
Muting individual nestlings reduces parental foraging for the brood
10.1006/anbe.2001.1973 · 2002 · External reference
The brood parasite's guide to inclusive fitness theory
10.1098/rstb.2018.0198 · 2019 · External reference
Signalling of need by offspring to their parents
10.1038/352328a0 · 1991 · External reference
Signaling of need between parents and young: parent‐offspring conflict and sibling rivalry
10.1086/285784 · 1995 · External reference
Begging and bleating: the evolution of parent–offspring signalling
10.1098/rstb.2000.0719 · 2000 · External reference
Sibling competition, parent‐offspring conflict and clutch size
10.1016/s0003-3472(05)80106-x · 1992 · External reference
Signs of hunger in calls of Siberian crane (Grus leucogeranus, Gruidae) chicks
2015 · External reference
Siberian crane chick calls reflect their thermal state
10.1080/09524622.2017.1399827 · 2019 · External reference
Tweet or treat: unveiling the effect of brood size on begging behaviour in a songbird and the importance of feeding effort and diet quality
10.1007/s00265-025-03657-6 · 2025 · External reference
Nestling testosterone is associated with begging behaviour and fledging success in the pied flycatcher, Ficedula hypoleuca
10.1098/rspb.2005.3289 · 2006 · External reference
Nestling testosterone controls begging behaviour in the pied flycatcher, Ficedula hypoleuca
10.1016/j.yhbeh.2007.06.008 · 2007 · External reference
Parental feeding behaviour and sibling competition in the pied flycatcher Ficedula hypoleuca
10.2307/3676895 · 1987 · External reference
Biological signals as handicaps
10.1016/s0022-5193(05)80088-8 · 1990 · External reference
Distinguishing between unreliability and dishonesty: a comparative study of aggressive communication in crayfish
10.1111/1365-2435.13927 · 2022 · External reference
Patterns of activity and burrow attendance in Cory's shearwater as revealed by a novel logging technique
10.1111/j.1474-919x.1998.tb04607.x · 1998 · External reference
Responses of breeding Cory's shearwater Calonectris diomedea to experimental manipulation of chick condition
10.1093/beheco/11.3.274 · 2000 · External reference
Weight differences, brood reduction, and sibling competition among nestling stonechats Saxicola torquata (Aves: Turdidae)
10.1111/j.1469-7998.1985.tb05630.x · 1985 · External reference
Nestling tree swallows (Tachycineta bicolor) alter begging behaviour in response to odour of familiar adults, but not their nests
10.1111/eth.13015 · 2020 · External reference
The adaptive value of parental responsiveness to nestling begging
2007 · External reference
Begging for a better future: how far can behavioral ecologists go without specifying mechanisms?
10.1093/beheco/arr076 · 2011 · External reference
The hormonal control of begging and early aggressive behavior: experiments in black‐headed gull chicks
10.1016/j.yhbeh.2005.02.009 · 2005 · External reference
Dynamic changes in begging signal short‐term information on hunger and need
10.1086/719030 · 2022 · External reference
Vulnerable but not helpless: nestlings are fine‐tuned to cues of approaching danger
10.1016/j.anbehav.2009.11.036 · 2010 · External reference
Calling at a cost: elevated nestling calling attracts predators to active nests
10.1098/rsbl.2010.1125 · 2011 · External reference
To call or not to call: parents assess the vulnerability of their young before warning them about predators
10.1098/rsbl.2013.0745 · 2013 · External reference
Does oxidative stress mediate the trade‐off between growth and self‐maintenance in structured families?
10.1111/j.1365-2435.2009.01635.x · 2010 · External reference
Sex differences in provisioning rules: responses of Manx shearwaters to supplementary chick feeding
10.1093/beheco/arj008 · 2006 · External reference
The genetical evolution of social behaviour. I
10.1016/0022-5193(64)90038-4 · 1964 · External reference
The evolution of begging: sibling competition and parent‐offspring conflict
10.1086/284542 · 1986 · External reference
Experimental evidence that nestling begging behaviour incurs a cost due to nest predation
10.1098/rspb.1994.0110 · 1994 · External reference
The effect of predation on begging‐call evolution in nestling wood warblers
10.1006/anbe.1998.1053 · 1999 · External reference
10.1007/0-306-47660-6_9
10.1007/0-306-47660-6_9 · 2002 · External reference
Nestling detectability affects parental feeding preferences in a cavity‐nesting bird
10.1006/anbe.2003.2238 · 2003 · External reference
Effects of variation in nestling hunger levels and begging on the provisioning behavior of male and female eastern phoebes (Sayornis phoebe)
10.1676/wils-128-01-132-143.1 · 2016 · External reference
Role of the chick's begging behavior in the regulation of parental feeding behavior of Larus glaucescens
10.2307/1366101 · 1975 · External reference
How does honest costly signaling work?
10.1093/beheco/art097 · 2014 · External reference
Negotiation over offspring care?—a positive response to partner‐provisioning rate in great tits
10.1093/beheco/ari092 · 2006 · External reference
Quality, need, or hunger; begging the question
10.1093/beheco/arr117 · 2011 · External reference
Parent‐offspring conflict and coadaptation
10.1126/science.1186056 · 2010 · External reference
Negotiations within the family over the supply of parental care
2007 · External reference
The begging behavior of nestling eastern screech‐owls
1998 · External reference
Brood parasitism increases provisioning rate, and reduces offspring recruitment and adult return rates, in a cowbird host
10.1007/s00442-006-0424-1 · 2006 · External reference
10.1017/cbo9780511610363.012
10.1017/cbo9780511610363.012 · 2005 · External reference
Acoustic interactions in broods of nestling birds (Tachycineta bicolor)
10.1037/0735-7036.122.3.298 · 2008 · External reference
Brood reduction and brood division in coots
10.1016/s0003-3472(84)80340-1 · 1984 · External reference
Communication in discrete action‐response games
10.1006/jtbi.1995.0093 · 1995 · External reference
Supply and demand in tree swallow broods: a model of parent‐offspring food‐provisioning interactions in birds
10.1086/284785 · 1988 · External reference
Begging as graded signals of need for food in young ring‐billed gulls
10.1006/anbe.1998.0742 · 1998 · External reference
Experimental evidence for a predation cost of begging using active nests and real chicks
10.1007/s10336-011-0797-8 · 2012 · External reference
Motivationally controlled stimulus preferences in chicks of the black‐headed gull (Larus ridibundus L.)
10.1016/0003-3472(69)90011-6 · 1969 · External reference
Sex‐specific negotiation rules in a costly conflict over parental care
10.1016/j.anbehav.2014.11.014 · 2015 · External reference
Multimodal begging signals reflect independent indices of nestling condition in European starlings
10.1093/beheco/arr121 · 2011 · External reference
Parent‐absent calls are related to nestling reaction time and parental food allocation in the spotless starling
10.1163/1568539x-00003285 · 2015 · External reference
Honest signalling, perceptual error and the evolution of ‘all‐or‐nothing’ displays
10.1098/rspb.1994.0066 · 1994 · External reference
Unresolved reference
1997 · External reference
Signaling of need, sibling competition, and the cost of honesty
10.1073/pnas.96.22.12644 · 1999 · External reference
Begging and sibling competition: how should offspring respond to their rivals?
10.1086/375541 · 2004 · External reference
Unresolved reference
2002 · External reference
The continuous sir Philip Sidney game: a simple model of biological signalling
10.1016/s0022-5193(05)80674-5 · 1992 · External reference
New labels for old whines
10.1093/beheco/arr095 · 2011 · External reference
Reciprocity and conditional cooperation between great tit parents
10.1093/beheco/art109 · 2014 · External reference
Sibling negotiation
10.1093/beheco/arg024 · 2003 · External reference
Ultraviolet reflectance by the skin of nestlings
10.1038/431262a · 2004 · External reference
Structural change of begging vocalisations and vocal repertoires in two hand‐raised Australian passerines, the little raven Corvus mellori and white‐winged chough Corcorax melanorhamphos
10.1071/mu99001 · 1999 · External reference
Convergent characteristics of begging vocalisations in Australian birds
10.35699/2675-5327.2003.21831 · 2003 · External reference
Food allocation among nestling starlings: sibling competition and the scope of parental choice
10.1098/rspb.1995.0038 · 1995 · External reference
An evolutionary comparison of the handicap principle and hybrid equilibrium theories of signaling
10.1371/journal.pone.0137271 · 2015 · External reference
Experimental evidence for offspring learning in parent–offspring communication
10.1098/rspb.2000.1201 · 2000 · External reference
Graded or discrete? A quantitative analysis of Campbell's monkey alarm calls
10.1016/j.anbehav.2012.10.014 · 2013 · External reference
Quantifying the relationship between multiple immunological parameters and host resistance: probing the limits of reductionism
10.4049/jimmunol.167.8.4543 · 2001 · External reference
Unresolved reference
1985 · External reference
Psychobiological aspects of the acceleration of postembryonic development in the asynchronous breeder, pied Flycatcher (Ficedula hypoleuca)
1988 · External reference
Linking body condition and vocal signals: how little auk, Alle alle, chicks communicate their needs to parents
10.1016/j.anbehav.2026.123639 · 2026 · External reference
When do canary parents respond to nestling signals of need
10.1098/rspb.1995.0102 · 1995 · External reference
Mouth colour is a reliable signal of need in begging canary nestlings
10.1098/rspb.1997.0133 · 1997 · External reference
Unresolved reference
2000 · External reference
A growth cost of begging in captive canary chicks
10.1073/pnas.191221798 · 2001 · External reference
10.1007/0-306-47660-6_5
10.1007/0-306-47660-6_5 · 2002 · External reference
Sex differences in canary (Serinus canaria) provisioning rules
10.1007/s00265-002-0533-8 · 2002 · External reference
How selfish is a cuckoo chick?
10.1006/anbe.1999.1197 · 1999 · External reference
Information warfare and parent–offspring conflict
10.1016/s0065-3454(08)00006-5 · 2008 · External reference
Unresolved reference
2012 · External reference
Begging the question: are offspring solicitation behaviours signals of need?
10.1016/s0169-5347(96)10061-6 · 1997 · External reference
Signals of need in parent–offspring communication and their exploitation by the common cuckoo
10.1038/17746 · 1999 · External reference
The evolution of multicomponent begging display in gull chicks: sibling competition and genetic variability
10.1016/j.anbehav.2011.04.005 · 2011 · External reference
Barn swallow (Hirundo rustica) parents use past information to decide on food provisioning to the brood, but not to decide on allocation within the brood
10.1007/s10164-011-0271-3 · 2011 · External reference
Benefits and costs of increased levels of corticosterone in seabird chicks
10.1016/s0018-506x(02)00030-2 · 2003 · External reference
Corticosterone facilitates begging and affects resource allocation in the black‐legged kittiwake
10.1093/beheco/12.5.619 · 2001 · External reference
Chick begging calls reflect degree of hunger in three the auk species (Charadriiformes: Alcidae)
10.1371/journal.pone.0140151 · 2015 · External reference
On the meaning of hunger and behavioral control in the evolution of honest begging
10.1093/beheco/arr081 · 2011 · External reference
The quantitive genetic basis of offspring solicitation and parental response in a passerine bird with biparental care
10.1098/rspb.2000.1259 · 2000 · External reference
Begging signals and biparental care: nestling choice between parental feeding locations
10.1006/anbe.1997.0571 · 1998 · External reference
Antagonistic parent‐offspring co‐adaptation
10.1371/journal.pone.0008606 · 2010 · External reference
The influence of environmental variance on the evolution of signaling behavior
10.1093/beheco/ary072 · 2018 · External reference
The other facets of family life and their role in the evolution of animal sociality
10.1111/brv.12443 · 2019 · External reference
Zebra finch nestlings beg more under better nutritional conditions
10.1163/000579511x600619 · 2011 · External reference
How do female red‐winged blackbirds allocate food within broods?
10.1525/cond.2012.110144 · 2013 · External reference
Begging and food distribution in crimson rosella (Platycercus elegans) broods: why don't hungry chicks beg more?
10.1007/s002650100339 · 2001 · External reference
Complex patterns of food allocation in asynchronously hatching broods of crimson rosellas
10.1006/anbe.1998.1029 · 1999 · External reference
Food allocation in crimson rosella broods: parents differ in their responses to chick hunger
10.1006/anbe.1999.1375 · 2000 · External reference
Signalling among relatives II. Beyond the tower of babel
10.1006/tpbi.1997.1372 · 1998 · External reference
Cost and conflict in animal signals and human language
10.1073/pnas.231216498 · 2001 · External reference
The significance of clutch‐size
10.1111/j.1474-919x.1947.tb04155.x · 1947 · External reference
Hunger is not the only determinant of nestling begging behavior and parental feeding in the black‐billed magpie Pica pica
10.3161/000164512x653872 · 2012 · External reference
Provisioning rules in tree swallows
10.1007/s002650050250 · 1996 · External reference
Need and nestmates affect begging in tree swallows
10.1007/s002650050457 · 1998 · External reference
Acoustic signalling of hunger and thermal state by nestling tree swallows
10.1006/anbe.2000.1575 · 2001 · External reference
Dynamics of calling by tree swallow (Tachycineta bicolor) nestmates
10.1007/s002650100380 · 2001 · External reference
Ambient noise and the design of begging signals
2005 · External reference
Age‐related changes in signalling of need by nestling tree swallows (Tachycineta bicolor)
10.1111/j.1439-0310.2006.01259.x · 2006 · External reference
Does ambient noise affect growth and begging call structure in nestling birds?
10.1093/beheco/arm161 · 2008 · External reference
Does begging call convergence increase feeding rates to nestling tree swallows Tachycineta bicolor?
10.1111/j.1600-048x.2009.04672.x · 2009 · External reference
Parent‐offspring aggression in moorhens
10.1007/bf00302949 · 1988 · External reference
False alarms and begging in nestling birds
10.1016/j.anbehav.2004.05.022 · 2005 · External reference
The role of posturing and calling in the begging display of nestling birds
10.1007/s00265-003-0626-z · 2003 · External reference
Does begging affect growth in nestling tree swallows, Tachycineta bicolor?
10.1007/s00265-003-0668-2 · 2003 · External reference
Parental aggression in black‐capped chickadees
10.1093/beheco/2.3.228 · 1991 · External reference
Provisioning in western bluebirds is not related to offspring sex
10.1093/beheco/5.4.455 · 1994 · External reference
Individual benefits of nestling begging: experimental evidence for an immediate effect, but no evidence for a delayed effect
10.1098/rsbl.2010.0870 · 2011 · External reference
Context‐dependent strategies of food allocation among offspring in a facultative cooperative breeder
10.1093/beheco/arz037 · 2019 · External reference
Selfish begging by screaming cowbirds, a mimetic brood parasite of the bay‐winged cowbird
10.1006/anbe.2000.1688 · 2001 · External reference
Begging and short‐term need in cowbird nestlings: how different are brood parasites?
10.1007/s00265-004-0795-4 · 2004 · External reference
Pied flycatchers failed to use nestling size as a cue to favour own genetic offspring in a communally raised brood
10.2307/3676450 · 1992 · External reference
Feeding decisions of eastern bluebirds are situationally influenced by fledgling plumage color
10.1093/beheco/arq002 · 2010 · External reference
Parent‐offspring conflict and its resolution in the European starling
10.2307/40166796 · 1992 · External reference
The breeding and feeding of jackdaws and rooks with notes on carrion crows and other corvidae
10.1111/j.1474-919x.1955.tb01919.x · 1955 · External reference
Condition‐dependent effects of corticosterone on a carotenoid‐based begging signal in house sparrows
10.1016/j.yhbeh.2007.10.006 · 2008 · External reference
Effects of experimental increase of corticosterone levels on begging behavior, immunity and parental provisioning rate in house sparrows
10.1016/j.ygcen.2007.03.004 · 2008 · External reference
Higher levels of begging behavior by small nestlings: a case of a negatively correlated handicap
1998 · External reference
Evolution of learning and levels of selection: a lesson from avian parent–offspring communication
10.1016/j.tpb.2013.10.003 · 2014 · External reference
Favored parent–offspring trait combinations? On the interplay of parental and offspring traits
10.1093/beheco/arv134 · 2016 · External reference
Within‐family parent–offspring co‐adaptation in a wild bird: on static traits, behavioural reaction norms, and sex differences
10.1111/1365-2435.12492 · 2016 · External reference
Parental choice selects for ornamental plumage in American coot chicks
10.1038/371240a0 · 1994 · External reference
Sex differences in parental response to begging nestlings in superb fairy‐wrens
10.1006/anbe.2001.1991 · 2002 · External reference
Social context‐dependent provisioning rules in red‐winged fairy‐wrens do not vary with signals of increased chick need
10.1016/j.anbehav.2018.07.010 · 2018 · External reference
Models of parent‐offspring conflict. II. Promiscuity
10.1016/0003-3472(78)90010-6 · 1978 · External reference
Models of parent‐offspring conflict. III. Intra‐brood conflict
10.1016/0003-3472(79)90067-8 · 1979 · External reference
Nestling responses to adult food and alarm calls: 1. Species‐specific responses in two cowbird hosts
10.1016/j.anbehav.2004.11.019 · 2005 · External reference
Calling in the face of danger: predation risk and acoustic communication by parent birds and their offspring
10.1016/s0065-3454(10)41006-2 · 2010 · External reference
How to be fed but not eaten: nestling responses to parental food calls and the sound of a predator's footsteps
10.1016/j.anbehav.2007.01.025 · 2007 · External reference
Parentally biased favouritism in relation to offspring sex in zebra finches
10.1007/s00265-011-1235-x · 2011 · External reference
Sibling competition in asynchronously hatched broods of the pallid swift (Apus pallidus)
10.1080/08927014.1994.9522982 · 1994 · External reference
Do parasites and antioxidant availability affect begging behaviour, growth rate and resistance to oxidative stress?
10.1111/jeb.13274 · 2018 · External reference
Effects of increased begging and vitamin E supplements on oxidative stress and fledging probability
10.1093/beheco/aru215 · 2015 · External reference
How nestling tree swallows (Tachycineta bicolor) integrate their responses to hunger and signalling by nestmates
10.1111/j.1439-0310.2010.01859.x · 2011 · External reference
Brood size and nestling vocal begging behaviour in the Spanish sparrow Passer hispaniolensis
2006 · External reference
Iberian azure‐winged magpie Cyanopica (cyana) cooki nestlings begging calls: call characterization and hunger signalling
10.1080/09524622.2008.9753596 · 2008 · External reference
Nestling begging call structure and bout variation honestly signal need but not condition in Spanish sparrows
2009 · External reference
Food sharing by sibling common barn‐owls
1989 · External reference
Nest predation increases with parental activity: separating nest site and parental activity effects
10.1098/rspb.2000.1281 · 2000 · External reference
Manipulation of hunger levels affects great spotted cuckoo and magpie host nestlings differently
10.1111/j.1600-048x.2012.05597.x · 2012 · External reference
Benefits associated with escalated begging behaviour of black‐billed magpie nestlings overcompensate the associated energetic costs
10.1242/jeb.050153 · 2011 · External reference
Parent–offspring conflict and the coordination of siblings in gulls
2004 · External reference
Begging to differ: Scrubwren nestlings beg to alarm calls and vocalize when parents are absent
10.1006/anbe.2003.2148 · 2003 · External reference
Honest signalling: the Philip Sidney game
10.1016/s0003-3472(05)80161-7 · 1991 · External reference
Must reliable signals always be costly?
10.1006/anbe.1994.1149 · 1994 · External reference
Animal signals: models and terminology
10.1006/jtbi.1995.0248 · 1995 · External reference
Unresolved reference
2003 · External reference
Nestling begging increases predation risk, regardless of spectral characteristics or avian mobbing
10.1093/beheco/arp066 · 2009 · External reference
Distribution of food within broods of barn swallows
1986 · External reference
10.1002/brv.70181
10.1002/brv.70181 · External reference
American robin nestlings compete by jockeying for position
10.1007/bf00171661 · 1993 · External reference
Hatching asynchrony in the mountain white‐crowned sparrow (Zonotrichia leucophrys oriantha): a selected or incidental trait?
1985 · External reference
An experimental test of the information model for negotiation of biparental care
10.1371/journal.pone.0019684 · 2011 · External reference
Honest begging: expanding from signal of need
10.1093/beheco/arr091 · 2011 · External reference
Fine whines improve with age
10.1093/beheco/arr099 · 2011 · External reference
Siblicide, family conflict and the evolutionary limits of selfishness
10.1006/anbe.1998.0842 · 1998 · External reference
Chick hunger and begging affect parental allocation of feedings in pigeons
10.1016/0003-3472(95)80193-6 · 1995 · External reference
The effect of parental food supply on parental feeding and squab growth in pigeons, Columba livia
10.1111/j.1439-0310.1991.tb00278.x · 1991 · External reference
Individual, brood, and sex variation in begging calls of western bluebirds
1997 · External reference
Signals in family conflicts
10.1016/j.anbehav.2013.04.001 · 2013 · External reference
Coloration of chicks modulates costly interactions among family members
10.1093/beheco/ary057 · 2018 · External reference
Is there empirical evidence for the cost of begging?
10.1007/s10164-006-0020-1 · 2007 · External reference
An immunological cost of begging in house sparrow nestlings
10.1098/rspb.2010.0109 · 2010 · External reference
Begging at high level simultaneously impairs growth and immune response in southern shrike (Lanius meridionalis) nestlings
10.1111/j.1420-9101.2011.02242.x · 2011 · External reference
Benefits of extra begging fail to compensate for immunological costs in southern shrike (Lanius meridionalis) nestlings
10.1371/journal.pone.0044647 · 2012 · External reference
Nest‐dwelling ectoparasites reduce begging effort in pied flycatcher Ficedula hypoleuca nestlings
10.1111/ibi.12394 · 2016 · External reference
Oxidative stress mediates physiological costs of begging in magpie (Pica pica) nestlings
10.1371/journal.pone.0040367 · 2012 · External reference
Brood provisioning rate and food allocation rules according to nestling begging in a clutch‐adjusting species, the rufous‐tailed scrub‐robin Cercotrichas galactotes
10.3161/000164509x482740 · 2009 · External reference
Rules of food allocation between nestlings of the black‐billed magpie Pica pica, a species showing brood reduction
2007 · External reference
Variation in reaction norms: statistical considerations and biological interpretation
10.1111/evo.13003 · 2016 · External reference
Nest structure affects auditory and visual detectability, but not predation risk, in a tropical songbird community
10.1111/1365-2435.13405 · 2019 · External reference
Maternal yolk testosterone in canary eggs: toward a better understanding of mechanisms and function
10.1093/beheco/arq010 · 2010 · External reference
Consequences of sex‐specific growth on sibling competition in black‐headed gulls: a sexually‐size dimorphic species with scramble competition
10.1007/s10336-007-0189-2 · 2007 · External reference
Adjusting for a mediator in models with two crossed treatment variables
10.1177/1094428106296639 · 2008 · External reference
Effects of manipulated levels of predation threat on parental provisioning and nestling begging
10.1093/beheco/arz060 · 2019 · External reference
Predictable males and unpredictable females: sex difference in repeatability of parental care in a wild bird population
10.1111/j.1420-9101.2007.01403.x · 2007 · External reference
Repeatability for Gaussian and non‐Gaussian data: a practical guide for biologists
10.1111/j.1469-185x.2010.00141.x · 2010 · External reference
Early‐life adversity accelerates cellular ageing and affects adult inflammation: experimental evidence from the European starling
10.1038/srep40794 · 2017 · External reference
Brood size, sibling competition, and the cost of begging in great tits (Parus major)
10.1093/beheco/arg025 · 2003 · External reference
Maternal testosterone influences a begging component that makes fathers work harder in chick provisioning
10.1016/j.yhbeh.2013.04.008 · 2013 · External reference
On the oxidative cost of begging: antioxidants enhance vocalizations in gull chicks
10.1093/beheco/arq005 · 2010 · External reference
How costly is the honest signaling of need?
10.1006/jtbi.1998.0893 · 1999 · External reference
Ecological immunology: life history trade‐offs and immune defense in birds
10.1093/beheco/11.1.19 · 2000 · External reference
Darwin's finch begging intensity does not honestly signal need in parasitised nests
10.1111/eth.12196 · 2014 · External reference
How do biparental species optimally provision young when begging is honest?
10.1093/beheco/arv028 · 2015 · External reference
Food division in the Arabian babbler nest: adult choice or nestling competition?
10.1093/beheco/8.2.233 · 1997 · External reference
The importance of nestling location for obtaining food in open cup‐nests
10.1007/s002650000308 · 2001 · External reference
Begging affects parental effort in the pied flycatcher, Ficedula hypoleuca
10.1007/s002650050399 · 1997 · External reference
Sheep in wolf's clothing: host nestling vocalizations resemble their cowbird competitor's
2008 · External reference
A cross‐fostering experiment reveals that prenatal environment affects begging behaviour in a cooperative breeder
10.1016/j.anbehav.2015.01.034 · 2015 · External reference
Passive and active parental food allocation in a songbird
10.1093/beheco/arad043 · 2023 · External reference
Escalated begging does not compromise nestling health
10.1093/beheco/araf003 · 2025 · External reference
Immune challenge reduces begging effort and modifies begging call structure in spotless starling nestlings
10.1007/s00265-024-03497-w · 2024 · External reference
Models of parent‐offspring conflict. V. Effects of the behaviour of the two parents
10.1016/s0003-3472(85)80075-0 · 1985 · External reference
Models of parent‐offspring conflict. I. Monogamy
10.1016/0003-3472(78)90009-x · 1978 · External reference
Models of parent‐offspring conflict. IV. Suppression: evolutionary retaliation by the parent
10.1016/0003-3472(79)90068-x · 1979 · External reference
How selfish should stronger sibs be?
10.1086/284956 · 1989 · External reference
Begging scrambles with unequal chicks: interactions between need and competitive ability
10.1046/j.1461-0248.2002.00301.x · 2002 · External reference
Intrafamilial conflict and parental investment: a synthesis
10.1098/rstb.2001.0950 · 2002 · External reference
New dimensions in animal communication: the case for complexity
10.1016/j.cobeha.2016.09.011 · 2016 · External reference
Threshold assessment, categorical perception, and the evolution of reliable signaling
10.1111/evo.14122 · 2020 · External reference
The handicap principle: how an erroneous hypothesis became a scientific principle
10.1111/brv.12563 · 2020 · External reference
Corticosterone triggers high‐pitched nestlings' begging calls and affects parental behavior in the wild zebra finch
2016 · External reference
European starling chicks benefit from high yolk testosterone levels during a drought year
10.1016/j.yhbeh.2004.03.004 · 2004 · External reference
Parental alarm calls suppress nestling vocalization
10.1098/rspb.2004.2716 · 2004 · External reference
Adaptive differences in response to two types of parental alarm call in altricial nestlings
2005 · External reference
Role of sibling aggression in food distribution to nestling cattle egrets (Bubulcus ibis)
10.1093/auk/103.4.768 · 1986 · External reference
Provisioning behaviour at the nest in single‐parent versus biparental nests and male versus female parents in the common redstart (Phoenicurus phoenicurus)
10.1007/s10211-004-0094-0 · 2004 · External reference
Begging in common redstart nestlings: scramble competition or signalling of need?
10.1111/j.1439-0310.2005.01177.x · 2006 · External reference
Begging as competition for food in yellow‐headed blackbirds
10.2307/4088883 · 1996 · External reference
Benefits of begging for yellow‐headed blackbird nestlings
10.1006/anbe.1998.0832 · 1998 · External reference
Begging tactics of nestling yellow‐headed blackbirds, Xanthocephalus xanthocephalus, in relation to need
10.1006/anbe.1996.0039 · 1996 · External reference
Begging and provisioning in broods of asynchronously‐hatched yellow‐headed blackbird nestlings
10.1007/bf00176718 · 1995 · External reference
Begging in the absence of sibling competition in Wilson's storm‐petrels, Oceanites oceanicus
10.1006/anbe.2002.3090 · 2002 · External reference
Relationship between plasma leptin‐like protein levels, begging and provisioning in nestling thin‐billed prions Pachyptila belcheri
10.1016/j.ygcen.2008.12.006 · 2009 · External reference
Context‐dependent honest begging in Cory's shearwaters (Calonectris diomedea): influence of food availability
10.1007/s10211-004-0100-6 · 2004 · External reference
Sex differences in provisioning rules and honest signalling of need in Manx shearwaters, Puffinus puffinus
10.1016/j.anbehav.2003.12.002 · 2004 · External reference
Begging and provisioning of thin‐billed prions Pachyptila belcheri, are related to testosterone and corticosterone
10.1016/j.anbehav.2005.09.015 · 2006 · External reference
Are acoustical parameters of begging call elements of thin‐billed prions related to chick condition?
10.1007/s10211-009-0066-5 · 2010 · External reference
Signals of need and quality: Atlantic puffin chicks can beg and boast
10.1093/beheco/aru009 · 2014 · External reference
Early stages of vocal ontogeny in the magpie (Pica pica)
10.1007/bf01647274 · 1991 · External reference
Signalling of nutritional need by magpie nestlings
10.1111/j.1439-0310.1992.tb00959.x · 1992 · External reference
Structural variations in the begging calls of nestling magpies Pica pica and their role in the development of adult voice
10.1111/j.1439-0310.1990.tb00805.x · 1990 · External reference
Pied flycatcher nestlings incur immunological but not growth begging costs
10.1093/beheco/arw045 · 2016 · External reference
Effectiveness of multicomponent, dynamic begging displays as honest signals of nestling hunger
2026 · External reference
10.1007/0-306-47660-6_20
10.1007/0-306-47660-6_20 · 2002 · External reference
Female begging calls reflect nutritional need of nestlings in the hen harrier Circus cyaneus
10.1186/s12862-017-0986-z · 2017 · External reference
Song sparrow ‘rules’ for feeding nestlings
1981 · External reference
The effect of hunger on the acoustic individuality in begging calls of a colonially breeding weaver bird
10.1186/1472-6785-11-3 · 2011 · External reference
Evolutionarily stable communication between kin: a general model
10.1098/rspb.1997.0143 · 1997 · External reference
Parental energy expenditure: a proximate cause of helper recruitment in the pied kingfisher (Ceryle rudis)
10.1007/bf00293214 · 1985 · External reference
Honesty through repeated interactions
10.1016/j.jtbi.2016.02.002 · 2016 · External reference
Feed intake regulation for the female broiler breeder: in theory and in practice
10.3382/japr.2010-00167 · 2010 · External reference
The exaggerated begging behaviour of an obligate avian brood parasite is shared with a nonparasitic close relative
10.1016/j.anbehav.2013.06.004 · 2013 · External reference
The evolution of begging: signaling and sibling competition
10.1073/pnas.93.25.14637 · 1996 · External reference
Instability of signaling resolution models of parent–offspring conflict
10.1073/pnas.95.8.4453 · 1998 · External reference
Role of begging and sibling competition in foraging strategies of nestlings
10.1006/anbe.2000.1660 · 2001 · External reference
Effects of begging on growth rates of nestling chicks
10.1093/beheco/12.3.269 · 2001 · External reference
Feeding experience and relative size modify the begging strategies of nestlings
10.1093/beheco/13.6.782 · 2002 · External reference
Nestling sex and plumage color predict food allocation by barn swallow parents
10.1093/beheco/arw040 · 2016 · External reference
With a little help from my kin: barn swallow nestlings modulate solicitation of parental care according to nestmates' need
10.1111/j.1420-9101.2012.02571.x · 2012 · External reference
Ectoparasites exposure affects early growth and mouth colour in nestlings of a cavity‐nesting raptor
10.1007/s00265-021-03098-x · 2021 · External reference
Parent‐absent signalling of need and its consequences for sibling competition in the barn swallow
10.1007/s00265-013-1508-7 · 2013 · External reference
Sibling competition for food and kin selection in nestlings of a colonial raptor
10.1016/j.anbehav.2022.10.002 · 2022 · External reference
Sex‐related effects of an immune challenge on growth and begging behavior of barn swallow nestlings
10.1371/journal.pone.0022805 · 2011 · External reference
Parent‐absent begging in barn swallow broods: causes of individual variation and effects on sibling interactions and food allocation
10.1007/s11692-015-9336-5 · 2015 · External reference
Kind to kin: weak interference competition among white stork Ciconia ciconia broodmates
10.1111/jav.00983 · 2017 · External reference
Food allocation in collared flycatcher (Ficedula albicollis) broods: do rules change with the age of nestlings?
10.1093/auk/122.4.1112 · 2005 · External reference
Begging blue tit nestlings discriminate between the odour of familiar and unfamiliar conspecifics
10.1111/1365-2435.12886 · 2017 · External reference
Food supply differentially affects sibling negotiation and competition in the barn owl (Tyto alba)
10.1007/s002650100322 · 2001 · External reference
10.1007/0-306-47660-6_6
10.1007/0-306-47660-6_6 · 2002 · External reference
Effects of hatching asynchrony on sibling negotiation, begging, jostling for position and within‐brood food allocation in the barn owl Tyto alba
2004 · External reference
The function of food stores in bird nests: observations and experiments in the barn owl Tyto alba
2004 · External reference
Nestling barn owls beg more intensely in the presence of their mother than in the presence of their father
10.1016/j.anbehav.2007.01.027 · 2007 · External reference
Dominant nestlings displaying female‐like melanin coloration behave altruistically in the barn owl
10.1016/j.anbehav.2012.08.033 · 2012 · External reference
Reciprocal preening and food sharing in colour‐polymorphic nestling barn owls
10.1111/jeb.12793 · 2016 · External reference
10.1093/acprof:oso/9780199692576.003.0008
10.1093/acprof:oso/9780199692576.003.0008 · 2012 · External reference
Vocal sib–sib interactions: how siblings adjust signalling level to each other
10.1016/j.anbehav.2008.12.004 · 2009 · External reference
Barn owl (Tyto alba) siblings vocally negotiate resources
10.1098/rspb.2000.1022 · 2000 · External reference
Begging for control: when are offspring solicitation behaviours honest?
10.1016/s0169-5347(02)02565-x · 2002 · External reference
Parental investment and family dynamics: interactions between theory and empirical tests
10.1007/s10144-004-0196-6 · 2004 · External reference
Consequences of biparental care for begging and growth in zebra finches, Taeniopygia guttata
10.1016/j.anbehav.2005.09.023 · 2006 · External reference
Offspring social network structure predicts fitness in families
2012 · External reference
Effects of elevated egg corticosterone levels on behavior, growth, and immunity of yellow‐legged gull (Larus michahellis) chicks
10.1016/j.yhbeh.2005.01.006 · 2005 · External reference
Sex‐specific effects of yolk androgens on begging behavior and digestion in pied flycatchers Ficedula hypoleuca
10.1111/j.1600-048x.2013.00073.x · 2013 · External reference
Differential begging and locomotory behaviour by early and late hatched nestlings affecting the distribution of food in asynchronously hatched broods of altricial birds
10.1111/j.1439-0310.1980.tb01050.x · 1980 · External reference
Sex‐specific food provisioning patterns by parents in the asynchronously hatching European hoopoe
10.1016/j.anbehav.2016.04.015 · 2016 · External reference
Features of begging calls reveal general condition and need of food of barn swallow (Hirundo rustica) nestlings
10.1093/beheco/13.2.268 · 2002 · External reference
Social hierarchy among siblings in broods of the oystercatcher Haematopus ostralegus
10.1007/bf00299854 · 1981 · External reference
Sex difference in mouth coloration and begging calls of barn swallow nestlings
10.1016/j.anbehav.2007.09.011 · 2008 · External reference
Maternal allocation of androgens and antagonistic effects of yolk androgens on sons and daughters
10.1093/beheco/arj023 · 2006 · External reference
Sex differences in begging vocalizations of nestling barn swallows, Hirundo rustica
10.1006/anbe.2003.2295 · 2003 · External reference
Immunity, growth and begging behaviour of nestling barn swallows Hirundo rustica in relation to hatching order
10.1111/j.0908-8857.2001.320309.x · 2001 · External reference
Begging and parental care in relation to offspring need and condition in the barn swallow (Hirundo rustica)
10.1086/316996 · 2000 · External reference
Immune response covaries with corticosterone plasma levels under experimentally stressful conditions in nestling barn swallows (Hirundo rustica)
10.1093/beheco/14.3.318 · 2003 · External reference
Blue tits do not return faster to the nest in response to either short‐or long‐term begging playbacks
10.1016/j.anbehav.2016.10.016 · 2017 · External reference
Begging is an honest signal of hunger in a communally nesting bird with low genetic relatedness
10.1007/s00265-022-03252-z · 2022 · External reference
Conclusions beyond support: overconfident estimates in mixed models
10.1093/beheco/arn145 · 2009 · External reference
No evidence for olfactory kin discrimination in begging blue tit nestlings
10.1016/j.anbehav.2025.123131 · 2025 · External reference
Maternal testosterone in the avian egg enhances postnatal growth
10.1016/0300-9629(96)00009-6 · 1996 · External reference
Unresolved reference
2005 · External reference
Group provisioning limits sharing conflict among nestlings in joint‐nesting Taiwan yuhinas
10.1098/rsbl.2009.0909 · 2010 · External reference
Differential food distribution by male and female green‐backed tits (Parus monticolus) in relation to nestling size
10.1525/auk.2009.08205 · 2009 · External reference
Family dynamics through time: brood reduction followed by parental compensation with aggression and favouritism
10.1111/ele.12040 · 2013 · External reference
Is there a sexual conflict over hatching asynchrony in American robins?
10.2307/4089278 · 1997 · External reference
Behavioral domination of food delivery by tree swallow nestlings
10.1676/0043-5643(2000)112[0278:bdofdb]2.0.co;2 · 2000 · External reference
Senior and junior nestlings in asynchronous bluethroat broods differ in their effectiveness of begging
2002 · External reference
Do males and females differ in the feeding of large and small siblings? An experiment with the bluethroat
10.1007/s002650050444 · 1998 · External reference
Food limitation in asynchronous bluethroat broods: effects on food distribution, nestling begging, and parental provisioning rules
10.1093/beheco/arg083 · 2003 · External reference
The resolution of conflict in families
10.1016/j.cois.2018.03.007 · 2018 · External reference
Nestling American robins compete with siblings by begging
10.1007/bf00163989 · 1991 · External reference
Provisioning rules and chick competition in asynchronously hatching common terns (Sterna hirundo)
10.1007/s00265-005-0956-0 · 2005 · External reference
Western bluebird parents preferentially feed hungrier nestlings in a design that balances location in the nest
10.1007/s00265-017-2287-3 · 2017 · External reference
Unresolved reference
2018 · External reference
Complex feeding behaviour by magpies in nests with great spotted cuckoo nestlings
10.1111/jav.01473 · 2017 · External reference
Avian sibling cannibalism: hoopoe mothers regularly use their last hatched nestlings to feed older siblings
10.24272/j.issn.2095-8137.2021.434 · 2022 · External reference
A long‐term experimental study demonstrates the costs of begging that were not found over the short term
10.1371/journal.pone.0111929 · 2014 · External reference
Parents preferentially feed larger offspring in asynchronously hatched broods irrespective of scramble competition
10.1016/j.anbehav.2022.10.004 · 2022 · External reference
Begging behaviour and its energetic cost in great spotted cuckoo and magpie host chicks
10.1139/z99-128 · 1999 · External reference
Influence of hatch order on begging and plumage coloration of nestling eastern bluebirds
10.1676/11-006.1 · 2011 · External reference
The behavioral satiety sequence in pigeons (Columba livia). Description and development of a method for quantitative analysis
10.1016/j.physbeh.2013.08.031 · 2013 · External reference
Prey size and nestling gape size affect allocation within broods of the mountain bluebird
10.1007/s10336-018-1603-7 · 2019 · External reference
Parent‐offspring conflict in budgerigars
10.1163/156853985x00253 · 1985 · External reference
Begging behavior in budgerigars
10.1111/j.1439-0310.1989.tb00765.x · 1989 · External reference
The effects of parent and offspring gender on food allocation in budgerigars
10.1163/156853987x00422 · 1987 · External reference
A genetic analysis of parent‐offspring conflict
10.1007/bf00303200 · 1978 · External reference
Effects of corticosterone on innate and humoral immune functions and oxidative stress in barn owl nestlings
10.1242/jeb.024406 · 2009 · External reference
The cost of honesty and the fallacy of the handicap principle
10.1016/j.anbehav.2010.08.022 · 2011 · External reference
Attention‐seeking displays
10.1371/journal.pone.0135379 · 2015 · External reference
One problem, too many solutions: how costly is honest signalling of need?
10.1371/journal.pone.0208443 · 2019 · External reference
Condition‐dependent trade‐offs maintain honest signalling
10.1098/rsos.220335 · 2022 · External reference
Honesty in signalling games is maintained by trade‐offs rather than costs
10.1186/s12915-022-01496-9 · 2023 · External reference
A general signalling theory: why honest signals are explained by trade‐offs rather than costs or handicaps
10.1093/jeb/voaf144 · 2026 · External reference
Begging efficiency rather than food received causes brood size effect on growth in zebra finches
10.1163/1568539x-bja10358 · 2026 · External reference
Differential food allocation by male and female great tit, Parus major, parents: are parents or offspring in control?
10.1016/j.anbehav.2007.10.010 · 2008 · External reference
Parental response to elevated begging in a high predation, tropical environment
10.1016/j.anbehav.2009.07.040 · 2009 · External reference
An experimental study of competition for food between male and female nestlings of the red‐winged blackbird
10.1007/bf00166340 · 1992 · External reference
The influence of siblings on begging behaviour
10.1016/j.anbehav.2013.07.021 · 2013 · External reference
Sense and sensitivity: responsiveness to offspring signals varies with the parents' potential to breed again
2011 · External reference
Social releasers and the experimental method required for their study
1948 · External reference
A fixed energetic ceiling to parental effort in the great tit?
10.1046/j.1365-2656.2000.00395.x · 2000 · External reference
Effects of Capromorelin, mirtazapine, and Cyproheptadine on food intake in budgerigars (Melopsittacus undulatus)
10.1647/avianms-d-24-00031 · 2025 · External reference
Do acoustic parameters of begging calls of Cory's shearwaters Calonectris diomedea reflect chick body condition?
10.1675/1524-4695(2006)29[315:dapobc]2.0.co;2 · 2006 · External reference
Parent‐offspring conflict
10.1093/icb/14.1.249 · 1974 · External reference
Does extra corticosterone elicit increased begging and submissiveness in subordinate booby (Sula nebouxii) chicks?
10.1016/j.ygcen.2006.01.016 · 2006 · External reference
Acquisition and allocation of resources: their influence on variation in life history tactics
10.1086/284547 · 1986 · External reference
Supplementary food in the nestling phase affects reproductive success in pied flycatchers (Ficedula hypoleuca)
1994 · External reference
Sex‐specific effects of yolk testosterone on survival, begging and growth of zebra finches
10.1098/rspb.2005.3274 · 2006 · External reference
Honest begging in the bluefooted booby: signaling food deprivation and body condition
10.1007/s00265-006-0346-2 · 2007 · External reference
Transient elevation of corticosterone alters begging behavior and growth of white‐crowned sparrow nestlings
10.1242/jeb.009191 · 2008 · External reference
How nestlings of oriental Reed warbler respond to adult alarm calls
10.1016/j.avrs.2025.100270 · 2025 · External reference
Effect of variation in nestling hunger levels on the begging behaviour of nestlings and the provisioning behaviour of adult American kestrels
10.3184/175815617x15127411523971 · 2018 · External reference
Is the energy cost of begging by nestling passerines surprisingly low?
10.2307/4089077 · 1997 · External reference
Intensity of mouth coloration in blackcap Sylvia atricapilla nestlings affects food distribution among siblings but not provisioning of the whole brood
10.1111/ibi.12004 · 2013 · External reference
Blackcap Sylvia atricapilla nestlings do not produce begging calls until they are able to escape from predators
10.1111/ibi.12231 · 2015 · External reference
Parent‐offspring conflict theory, signaling of need, and weight gain in early life
10.1086/374952 · 2003 · External reference
Within‐brood patterns of paternity and paternal behavior in red‐winged blackbirds
10.1007/bf00174140 · 1995 · External reference
The biology hidden inside residual within‐individual phenotypic variation
10.1111/brv.12131 · 2015 · External reference
Novel sources of (co)variation in nestling begging behavior and hunger at different biological levels of analysis
10.1093/beheco/araa042 · 2020 · External reference
Signalling of information that is neither cryptic nor private
10.1111/jeb.13049 · 2017 · External reference
10.1007/0-306-47660-6_3
10.1007/0-306-47660-6_3 · 2002 · External reference
Parental allocation of food to nestling tree swallows: the influence of nestling behaviour, sex and paternity
10.1006/anbe.2003.2178 · 2003 · External reference
Strategic inattention in the sir Philip Sidney game
10.1016/j.jtbi.2020.110513 · 2021 · External reference
Parental sex differences in food allocation to junior brood members as mediated by prey size
10.1111/j.1439-0310.2008.01580.x · 2009 · External reference
Mouth coloration in nestling birds: increasing detection or signalling quality?
10.1016/j.anbehav.2009.09.013 · 2009 · External reference
Parents take both size and conspicuousness into account when feeding nestlings in dark cavity nests
10.1016/j.anbehav.2012.09.014 · 2012 · External reference
Helpers‐at‐the‐nest have the same provisioning rule as parents: experimental evidence from play‐backs of chick begging
10.1007/s002650050456 · 1998 · External reference
Biparental care: short‐term manipulation of partner contribution and brood size in the starling, Sturnus vulgaris
10.1093/beheco/1.2.116 · 1990 · External reference
Begging signals more than just short‐term need: cryptic effects of brood size in the pied flycatcher (Ficedula hypoleuca)
10.1007/s00265-002-0478-y · 2002 · External reference
Begging and digestive responses to differences in long‐term and short‐term need in nestling pied flycatchers
10.1016/j.anbehav.2010.06.015 · 2010 · External reference
10.1007/0-306-47660-6
10.1007/0-306-47660-6 · 2002 · External reference
Antipredator behavior of adult and nestling red‐winged blackbirds (Agelaius phoeniceus)
10.1676/16-099.1 · 2017 · External reference
Calling in the face of danger: do nestling red‐winged blackbirds (Agelaius phoeniceus) suppress begging in response to predator playbacks?
10.1093/auk/ukz071 · 2020 · External reference
Similarity in the begging calls of nestling red‐winged blackbirds
10.1111/j.1557-9263.2008.00171.x · 2008 · External reference
Acoustic cues to development of African penguins (Spheniscus demersus) begging calls
10.1111/ibi.13364 · 2025 · External reference
Mate selection—a selection for a handicap
10.1016/0022-5193(75)90111-3 · 1975 · External reference
Unresolved reference
1977 · External reference
The cost of honesty: further remarks on the handicap principle
10.1016/0022-5193(77)90061-3 · 1977 · External reference
Breeding behavior, nestling growth, and Begging behavior in the plain Laughingthrush (Garrulax davidi): implications for parent–offspring conflict
10.3390/ani13223522 · 2023 · External reference
Finding alternatives to handicap theory
10.1007/s13752-013-0107-1 · 2013 · External reference
Between cheap and costly signals: the evolution of partially honest communication
2013 · External reference
10.1002/brv.70181
10.1002/brv.70181 · ExternalCitation · doi-reference
No evidence that kin selection increases the honesty of begging signals in birds
10.1002/evl3.18 · ExternalCitation · doi-reference
A general model of biological signals, from cues to handicaps
10.1002/evl3.57 · ExternalCitation · doi-reference
Must reliable signals always be costly?
10.1006/anbe.1994.1149 · ExternalCitation · doi-reference
Begging tactics of nestling yellow‐headed blackbirds, Xanthocephalus xanthocephalus, in relation to need
10.1006/anbe.1996.0039 · ExternalCitation · doi-reference
Begging signals and biparental care: nestling choice between parental feeding locations
10.1006/anbe.1997.0571 · ExternalCitation · doi-reference
Begging as graded signals of need for food in young ring‐billed gulls
10.1006/anbe.1998.0742 · ExternalCitation · doi-reference
Response to playback of nestling begging in the red‐winged blackbird, Agelaius phoeniceus
10.1006/anbe.1998.0830 · ExternalCitation · doi-reference
Red‐winged blackbird females fail to increase feeding in response to begging call playbacks
10.1006/anbe.1998.0831 · ExternalCitation · doi-reference
Benefits of begging for yellow‐headed blackbird nestlings
10.1006/anbe.1998.0832 · ExternalCitation · doi-reference
Siblicide, family conflict and the evolutionary limits of selfishness
10.1006/anbe.1998.0842 · ExternalCitation · doi-reference
Complex patterns of food allocation in asynchronously hatching broods of crimson rosellas
10.1006/anbe.1998.1029 · ExternalCitation · doi-reference
The effect of predation on begging‐call evolution in nestling wood warblers
10.1006/anbe.1998.1053 · ExternalCitation · doi-reference
How selfish is a cuckoo chick?
10.1006/anbe.1999.1197 · ExternalCitation · doi-reference
Food allocation in crimson rosella broods: parents differ in their responses to chick hunger
10.1006/anbe.1999.1375 · ExternalCitation · doi-reference
Acoustic signalling of hunger and thermal state by nestling tree swallows
10.1006/anbe.2000.1575 · ExternalCitation · doi-reference
Role of begging and sibling competition in foraging strategies of nestlings
10.1006/anbe.2000.1660 · ExternalCitation · doi-reference
Selfish begging by screaming cowbirds, a mimetic brood parasite of the bay‐winged cowbird
10.1006/anbe.2000.1688 · ExternalCitation · doi-reference
Muting individual nestlings reduces parental foraging for the brood
10.1006/anbe.2001.1973 · ExternalCitation · doi-reference
Sex differences in parental response to begging nestlings in superb fairy‐wrens
10.1006/anbe.2001.1991 · ExternalCitation · doi-reference
Begging in the absence of sibling competition in Wilson's storm‐petrels, Oceanites oceanicus
10.1006/anbe.2002.3090 · ExternalCitation · doi-reference
Differences in the nestling begging calls of hosts and host‐races of the common cuckoo, Cuculus canorus
10.1006/anbe.2003.2066 · ExternalCitation · doi-reference
Begging to differ: Scrubwren nestlings beg to alarm calls and vocalize when parents are absent
10.1006/anbe.2003.2148 · ExternalCitation · doi-reference
Parental allocation of food to nestling tree swallows: the influence of nestling behaviour, sex and paternity
10.1006/anbe.2003.2178 · ExternalCitation · doi-reference
Nestling detectability affects parental feeding preferences in a cavity‐nesting bird
10.1006/anbe.2003.2238 · ExternalCitation · doi-reference
Yolk androgens and begging behaviour in black‐headed gull chicks: an experimental field study
10.1006/anbe.2003.2287 · ExternalCitation · doi-reference
Sex differences in begging vocalizations of nestling barn swallows, Hirundo rustica
10.1006/anbe.2003.2295 · ExternalCitation · doi-reference
Communication in discrete action‐response games
10.1006/jtbi.1995.0093 · ExternalCitation · doi-reference
Animal signals: models and terminology
10.1006/jtbi.1995.0248 · ExternalCitation · doi-reference
How costly is the honest signaling of need?
10.1006/jtbi.1998.0893 · ExternalCitation · doi-reference
Cost, competition and information in communication between relatives
10.1006/jtbi.2002.3035 · ExternalCitation · doi-reference
Signalling among relatives II. Beyond the tower of babel
10.1006/tpbi.1997.1372 · ExternalCitation · doi-reference
10.1007/0-306-47660-6
10.1007/0-306-47660-6 · ExternalCitation · doi-reference
10.1007/0-306-47660-6_10
10.1007/0-306-47660-6_10 · ExternalCitation · doi-reference
10.1007/0-306-47660-6_20
10.1007/0-306-47660-6_20 · ExternalCitation · doi-reference
10.1007/0-306-47660-6_24
10.1007/0-306-47660-6_24 · ExternalCitation · doi-reference
10.1007/0-306-47660-6_3
10.1007/0-306-47660-6_3 · ExternalCitation · doi-reference
10.1007/0-306-47660-6_5
10.1007/0-306-47660-6_5 · ExternalCitation · doi-reference
10.1007/0-306-47660-6_6
10.1007/0-306-47660-6_6 · ExternalCitation · doi-reference
10.1007/0-306-47660-6_8
10.1007/0-306-47660-6_8 · ExternalCitation · doi-reference
10.1007/0-306-47660-6_9
10.1007/0-306-47660-6_9 · ExternalCitation · doi-reference
Nestling American robins compete with siblings by begging
10.1007/bf00163989 · ExternalCitation · doi-reference
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10.1007/bf00166340 · ExternalCitation · doi-reference
American robin nestlings compete by jockeying for position
10.1007/bf00171661 · ExternalCitation · doi-reference
Within‐brood patterns of paternity and paternal behavior in red‐winged blackbirds
10.1007/bf00174140 · ExternalCitation · doi-reference
Begging and provisioning in broods of asynchronously‐hatched yellow‐headed blackbird nestlings
10.1007/bf00176718 · ExternalCitation · doi-reference
Parental feeding rate in relation to begging behavior in asynchronously hatched broods of the great tit Parus major: an experimental study
10.1007/bf00290777 · ExternalCitation · doi-reference
Responses of male white ibises to their mate's extra‐pair copulations
10.1007/bf00292503 · ExternalCitation · doi-reference
Parental energy expenditure: a proximate cause of helper recruitment in the pied kingfisher (Ceryle rudis)
10.1007/bf00293214 · ExternalCitation · doi-reference
Parent‐offspring cooperation in the blue‐footed boody (Sula nebouxii): social roles in infanticial brood reduction
10.1007/bf00295710 · ExternalCitation · doi-reference
Social hierarchy among siblings in broods of the oystercatcher Haematopus ostralegus
10.1007/bf00299854 · ExternalCitation · doi-reference
Parent‐offspring aggression in moorhens
10.1007/bf00302949 · ExternalCitation · doi-reference
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Early stages of vocal ontogeny in the magpie (Pica pica)
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Sex‐related asymmetry in competitive ability of sexually monomorphic barn swallow nestlings
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10.1007/s00265-008-0698-x · ExternalCitation · doi-reference
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Solicitation displays reliably reflect oxidative damage in barn swallow nestlings
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Condition dependence of nestling mouth colour and the effect of supplementing carotenoids on parental behaviour in the hihi (Notiomystis cincta)
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Parental favoritism in a wild bird population
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Parental investment and family dynamics: interactions between theory and empirical tests
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Context‐dependent honest begging in Cory's shearwaters (Calonectris diomedea): influence of food availability
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Experimental evidence for a predation cost of begging using active nests and real chicks
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Prey size and nestling gape size affect allocation within broods of the mountain bluebird
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10.1016/0003-3472(69)90011-6 · ExternalCitation · doi-reference
Models of parent‐offspring conflict. I. Monogamy
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Models of parent‐offspring conflict. II. Promiscuity
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Models of parent‐offspring conflict. III. Intra‐brood conflict
10.1016/0003-3472(79)90067-8 · ExternalCitation · doi-reference
Models of parent‐offspring conflict. IV. Suppression: evolutionary retaliation by the parent
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Food shortage influences sibling aggression in the blue‐footed booby
10.1016/0003-3472(89)90065-1 · ExternalCitation · doi-reference
Chick hunger and begging affect parental allocation of feedings in pigeons
10.1016/0003-3472(95)80193-6 · ExternalCitation · doi-reference
The genetical evolution of social behaviour. I
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Mate selection—a selection for a handicap
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The cost of honesty: further remarks on the handicap principle
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How should behavioural ecologists interpret measurements of immunity?
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False alarms and begging in nestling birds
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Sex difference in mouth coloration and begging calls of barn swallow nestlings
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House sparrow, Passer domesticus, parents preferentially feed nestlings with mouth colours that appear carotenoid‐rich
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Parental response to elevated begging in a high predation, tropical environment
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Mouth coloration in nestling birds: increasing detection or signalling quality?
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10.1016/j.cois.2018.03.007 · ExternalCitation · doi-reference
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10.1016/j.crvi.2010.06.002 · ExternalCitation · doi-reference
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Reliable information content and ontogenetic shift in begging calls of grey warbler nestlings
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Repeatability for Gaussian and non‐Gaussian data: a practical guide for biologists
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Effect of alarm calling by male red‐winged blackbirds on nestling begging and female provisioning behavior
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