Animal Behaviour最新文献

{"title":"Correction to “Social buffering in domestic hens, Gallus gallus domesticus: breed differences in reliance on conspecifics and humans” [Animal Behaviour 237 (2026) Article 123634]","authors":"The Animal Behaviour Editors","doi":"10.1016/j.anbehav.2026.123691","DOIUrl":"10.1016/j.anbehav.2026.123691","url":null,"abstract":"","PeriodicalId":50788,"journal":{"name":"Animal Behaviour","volume":"240 ","pages":"Article 123691"},"PeriodicalIF":2.3,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149140566","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of simulated high-magnitude floods on first-feeding salmonids at high density in a seminatural environment","authors":"Elorri Arevalo, Valérie Bolliet, Aitor Larrañaga, Stéphane Glise, François Gueraud, Emmanuel Huchet, Frédéric Lange, Pascale Coste, Jacques Rives, Agnès Bardonnet","doi":"10.1016/j.anbehav.2026.123672","DOIUrl":"10.1016/j.anbehav.2026.123672","url":null,"abstract":"<div><ul><li><span>•</span><span><div>We simulated spring floods to assess how they affected predator–prey interactions.</div></span></li><li><span>•</span><span><div>Trophic availability was low in early spring and increased later in the season.</div></span></li><li><span>•</span><span><div>Flooding reduced salmonid survival in early spring and growth in late spring.</div></span></li><li><span>•</span><span><div>In low-productivity systems, alevins were highly active and aggressive.</div></span></li><li><span>•</span><span><div>In high-productivity systems, alevins were highly active after flooding to feed.</div></span></li></ul></div><div><div>Climate change alters the thermal and hydrological regimes of rivers, increasing both water temperature and extreme-event frequency. In spring, temperature regulates the timing of alevin emergence in brown trout, <em>Salmo trutta</em>, as well as macroinvertebrate abundance, which are the main food items for just-emerged alevins. In parallel, severe floods drastically reduce macroinvertebrate abundance and diversity. Consequently, climate change may disrupt predator–prey dynamics by desynchronizing alevin emergence and macroinvertebrate availability. In a seminatural channel, we quantified macroinvertebrate abundance, monitored survival, growth, behaviour and standard metabolic rates (SMR) of just-emerged alevins at high density (32 alevins/m<sup>2</sup>) in control reaches and in reaches previously impacted by a simulated high-magnitude flood. The experiment was repeated in early and late spring. In early spring, system productivity was low and macroinvertebrate abundance was consistently low. Alevin survival was reduced by the flood. Alevins were highly active and aggressive regardless of treatment, probably driven by low trophic availability. In late spring, productivity increased. The flood significantly reduced macroinvertebrate abundance but high system productivity quickly compensated for this reduction. The simulated flood reduced alevin growth but did not affect survival. After the flood, alevins were active, probably to maintain a constant food supply. There were no differences in SMR between alevins in the control reach, whereas dominants displayed lower SMR than subordinates in the flooded reach. These subordinates were probably exposed to intense stress due to a lack of resources. Our experimental study helps to improve understanding of the behavioural and physiological processes driving survival and growth in salmonid early life stages.</div></div><div>Climate change alters the thermal and hydrological regimes of rivers, increasing both water temperature and extreme-event frequency. In spring, temperature regulates the timing of alevin emergence in brown trout, <em>Salmo trutta</em>, as well as macroinvertebrate abundance, which are the main food items for just-emerged alevins. In parallel, severe floods drastically reduce macroinvertebrate abundance and diversity. Consequently, climate chan","PeriodicalId":50788,"journal":{"name":"Animal Behaviour","volume":"240 ","pages":"Article 123672"},"PeriodicalIF":2.3,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149154333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Editors Page","authors":"","doi":"10.1016/S0003-3472(26)00274-5","DOIUrl":"10.1016/S0003-3472(26)00274-5","url":null,"abstract":"","PeriodicalId":50788,"journal":{"name":"Animal Behaviour","volume":"240 ","pages":"Article 123736"},"PeriodicalIF":2.3,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149154331","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association Page","authors":"","doi":"10.1016/S0003-3472(26)00275-7","DOIUrl":"10.1016/S0003-3472(26)00275-7","url":null,"abstract":"","PeriodicalId":50788,"journal":{"name":"Animal Behaviour","volume":"240 ","pages":"Article 123737"},"PeriodicalIF":2.3,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149154332","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Developmental curve of play in wild goshawks (Astur gentilis)","authors":"Johan Lind, Thomas Mras, Måns Söderberg","doi":"10.1016/j.anbehav.2026.123703","DOIUrl":"10.1016/j.anbehav.2026.123703","url":null,"abstract":"<div><ul><li><span>•</span><span><div>We provide the first systematic observations of object play in young goshawks.</div></span></li><li><span>•</span><span><div>Play followed a distinct rise–peak–decline developmental pattern.</div></span></li><li><span>•</span><span><div>Object play began around 45 days of age, peaked at 55–70 days, then declined.</div></span></li><li><span>•</span><span><div>This is the first documented ontogenetic window of play in a bird of prey.</div></span></li></ul></div><div><div>Play behaviour has been documented in diverse animal taxa. In some well-studied species, it has been found to follow a characteristic developmental curve, with a distinct onset, peak and decline. However, studies of the ontogeny of play in birds of prey are lacking due to observational challenges. Here, we present the first systematic study of object play in wild northern goshawks, <em>Astur gentilis</em>. We documented 39 play events across seven territories. Play behaviour was absent during the nestling period, and first observed at approximately 45 days of age, shortly after fledging. There was a pronounced peak during 55–70 days of age, followed by a decline. Observed behaviours included repeated attacks on stationary objects, object tossing, chasing and recapture. Behaviours were directed towards branches, pine cones, a dead mouse and anthropogenic objects. These behaviours fulfilled established criteria for play, differing from functional hunting or feeding behaviour and occurring in relaxed contexts without immediate reward. We provide the first systematic evidence for object play in goshawks and show that a structured developmental window of object play is present in an accipitriform bird of prey. The timing of peak play coincided with increasing independence and the refinement of motor coordination and hunting skills. This may suggest a functional role of play in skill acquisition, or that play behaviour emerges as a by-product of increased motivation to exhibit hunting behaviour. These findings expand the taxonomic scope of systematic play research and contribute to understanding the developmental organization of behaviour in birds of prey.</div></div><div>Play behaviour has been documented in diverse animal taxa. In some well-studied species, it has been found to follow a characteristic developmental curve, with a distinct onset, peak and decline. However, studies of the ontogeny of play in birds of prey are lacking due to observational challenges. Here, we present the first systematic study of object play in wild northern goshawks, <em>Astur gentilis</em>. We documented 39 play events across seven territories. Play behaviour was absent during the nestling period, and first observed at approximately 45 days of age, shortly after fledging. There was a pronounced peak during 55–70 days of age, followed by a decline. Observed behaviours included repeated attacks on stationary objects, object tossing, chasing and recapture. Behaviours we","PeriodicalId":50788,"journal":{"name":"Animal Behaviour","volume":"240 ","pages":"Article 123703"},"PeriodicalIF":2.3,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149154334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Old habits die hard: pigeons maintain route fidelity but reduce flight altitude when exposed to a raptor-like robot","authors":"Giulia Cerritelli, Luca Marinoni, Lorenzo Vanni, Claudio Carere, Robert Musters, Irene Vertua, Diego Rubolini, Anna Gagliardo, Dimitri Giunchi","doi":"10.1016/j.anbehav.2026.123698","DOIUrl":"10.1016/j.anbehav.2026.123698","url":null,"abstract":"<div><ul><li><span>•</span><span><div>Experienced homing pigeons faced repeated RobotFalcon attacks along familiar routes.</div></span></li><li><span>•</span><span><div>Birds lowered altitude starting ∼200 m before reaching the simulated predator.</div></span></li><li><span>•</span><span><div>Pigeons did not abandon familiar flight routes after repeated predator encounters.</div></span></li><li><span>•</span><span><div>No clear anticipatory response to the predator was detected.</div></span></li></ul></div><div><div>Prey organisms use a range of adaptive strategies to mitigate predation risk, including camouflage, predator deterrence by collective antipredator behaviours, specialized predator evasion tactics and spatial or temporal avoidance of predators. The latter may involve memorizing locations of nonlethal predator encounters and altering movement routines to subsequently avoid areas where such encounters are more likely, in line with the ‘landscape of fear’ concept. We investigated whether and how experienced homing pigeons, <em>Columba livia</em>, altered their homing behaviour upon repeated exposures to simulated attacks by a robot (‘RobotFalcon’) mimicking a peregrine falcon, <em>Falco peregrinus</em>, a common aerial predator of pigeons, along their consolidated homing route. Pigeons showed evidence of immediate responses to predator detection, considerably reducing their flight altitude when they approached the RobotFalcon, starting at ∼200 m from it, and maintained a lower altitude when leaving the RobotFalcon area. Yet, pigeons showed no evidence of altering their path to avoid the area where they were more likely to encounter the RobotFalcon, even in subsequent flights when the RobotFalcon was absent, indicating that the tendency to retrace consolidated routes was not affected by predation risk. Our results indicate that pigeons can adaptively respond to immediate predation risk by flying closer to the ground, which may reduce the success of aerial predator attacks. These findings suggest that maximizing energy efficiency and flying over well-known landscapes, which may make immediate predator responses more effective, are prioritized over minimizing predation risk by flying across novel and unknown environments.</div></div><div>Prey organisms use a range of adaptive strategies to mitigate predation risk, including camouflage, predator deterrence by collective antipredator behaviours, specialized predator evasion tactics and spatial or temporal avoidance of predators. The latter may involve memorizing locations of nonlethal predator encounters and altering movement routines to subsequently avoid areas where such encounters are more likely, in line with the ‘landscape of fear’ concept. We investigated whether and how experienced homing pigeons, <em>Columba livia</em>, altered their homing behaviour upon repeated exposures to simulated attacks by a robot (‘RobotFalcon’) mimicking a peregrine falcon, <em>Falco peregrinus</em>, a common","PeriodicalId":50788,"journal":{"name":"Animal Behaviour","volume":"240 ","pages":"Article 123698"},"PeriodicalIF":2.3,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149154335","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Development and social dynamics of stone tool use in wild white-faced capuchin monkeys","authors":"Zoë Goldsborough,&nbsp;Meredith K.W. Carlson,&nbsp;Leonie S. Reetz,&nbsp;Evelyn Del Rosario-Vargas,&nbsp;Margaret C. Crofoot,&nbsp;Brendan J. Barrett","doi":"10.1016/j.anbehav.2026.123673","DOIUrl":"10.1016/j.anbehav.2026.123673","url":null,"abstract":"<div><div>Percussive tool use for extractive foraging allows animals to access otherwise inaccessible resources and forage more efficiently, with potentially important implications for their fitness. The development of tool use proficiency has been well documented in nut-cracking chimpanzees, <em>Pan troglodytes</em>, and robust capuchins, <em>Sapajus</em> spp., and in shellfish-cracking longtailed macaques, <em>Macaca fascicularis</em>, where mothers and proficient tool users are the most important models for social learning. However, little is known about how tool use develops in populations where opportunities for social learning are scarce. White-faced capuchins, <em>Cebus capucinus imitator</em>, on Jicarón Island, Panama, provide a unique opportunity to address this question: stone tool use is entirely male biased, meaning juveniles cannot learn from their mothers, and reduced group cohesion further limits opportunities for social learning. We investigated the acquisition and development of stone tool proficiency in this population using a data set collected over a 1-year period from camera traps placed at two experimental anvils. We assessed differences in proficiency between age classes, examined the development of tool use proficiency over time and explored patterns of social attention during tool use. Juvenile capuchins were less proficient than subadults and adults, but their proficiency remained stable over the 12-month study period, suggesting that skill development may require prolonged practice or physical maturation. In contrast to other primates, opportunities for social learning on Jicarón appeared to be limited and scrounging was rare, yet when social attention occurred, we found consistent patterns. Social attention to tool use mostly came from juveniles too young to use tools themselves, who observed proficient subadults that tolerated scrounging. Our results contribute to understanding how complex tool use behaviours are acquired and maintained. They highlight that even when tool use is largely solitary, directed social attention and social tolerance play an important role in the development of tool use proficiency.</div></div>","PeriodicalId":50788,"journal":{"name":"Animal Behaviour","volume":"239 ","pages":"Article 123673"},"PeriodicalIF":2.3,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148854527","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Functional multiple intelligences: the diversity and adaptive value of social insect cognition","authors":"James F.A. Traniello,&nbsp;Patrizia d’Ettorre,&nbsp;Aurore Avarguès-Weber","doi":"10.1016/j.anbehav.2026.123678","DOIUrl":"10.1016/j.anbehav.2026.123678","url":null,"abstract":"<div><div>The remarkable behavioural capabilities of social insects vary between individuals across worker life spans, within colonies and between species, underpinning efficient task performance and fitness. Here we apply the concepts of human multiple intelligences, developed by Howard Gardner, and functional intelligence, from Jacob Freeman and colleagues, to social insect worker behaviour and collective actions. We propose a novel framework, functional multiple intelligences (FMI), to describe and analyse the evolution of social insect intelligence. Worker and colony FMI are composed of specialized cognitive modules such as kinaesthetic, quantitative, visual/spatial, intrapersonal and social intelligences. We hypothesize that these intelligences underlie variation in individual worker behavioural competences, skilled task specialization by polymorphic workers and age-related expert behaviour. Defining social insect intelligences using the FMI concept emphasizes the functionality of intelligence and its fitness consequences in natural sociobiological and ecological contexts at different levels of selection, providing a Darwinian foundation to explore the selective forces of adaptive intelligence in closely and distantly related clades.</div></div>","PeriodicalId":50788,"journal":{"name":"Animal Behaviour","volume":"239 ","pages":"Article 123678"},"PeriodicalIF":2.3,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148854650","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Scientific publishing and diversity in science: geographical bias of articles published in Animal Behaviour","authors":"Edward W. Legg,&nbsp;Ljerka Ostojić","doi":"10.1016/j.anbehav.2026.123638","DOIUrl":"10.1016/j.anbehav.2026.123638","url":null,"abstract":"<div><div>Many journals, including those in the field of animal behaviour, strive towards more diversity. For many journals, the starting point has been to assess the current status of diversity of authors, and sometimes also editors and reviewers, which can then be used to inform future initiatives and developments. Here, we assessed the geographical representation of authors and species in articles published in the journal <em>Animal Behaviour</em>. Our results show that, when accounting for a country's population size, scientific interest in animal behaviour and submission rates, authors with affiliations in Oceania, Europe and North America are overrepresented in articles published in <em>Animal Behaviour</em>. We further found a varied focus on the most studied species across different continents such that the overrepresentation of authors with affiliations in Oceania, Europe and North America likely leads to an overrepresentation of the species that these authors study. Finally, our results show that most research on nonhuman primates was published by authors affiliated to countries where these are absent in the wild. These results provide a first baseline for <em>Animal Behaviour</em> to assess the current state of diversity and can be used to inform discussions on how the journal may want to consider its diversity in terms of its future publications.</div></div>","PeriodicalId":50788,"journal":{"name":"Animal Behaviour","volume":"239 ","pages":"Article 123638"},"PeriodicalIF":2.3,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148854526","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Social bonds between nonkin are common, but less stable, in a mixed-related society","authors":"Zhuli Cheng,&nbsp;André S. Pereira,&nbsp;Josué E. Negron-Del Valle,&nbsp;Daniel Phillips,&nbsp;Lauren J.N. Brent,&nbsp;Delphine De Moor,&nbsp;Erin R. Siracusa","doi":"10.1016/j.anbehav.2026.123661","DOIUrl":"10.1016/j.anbehav.2026.123661","url":null,"abstract":"<div><div>Members of social groups often form affiliative social relationships, which carry important fitness benefits. Kin selection predicts that these relationships should be prevalent between kin, yet there is increasing evidence that social relationships exist between nonkin of the same sex. Nevertheless, quantitative research on the prevalence and stability of nonkin social relationships, and the factors influencing their formation, remains rare, hampering our understanding of their nature and adaptive value. Here, we combined long-term social and pedigree data from semi-free-ranging adult female rhesus macaques, <em>Macaca mulatta</em>, to test the hypothesis that, despite known kin biases, social bonds with nonkin would be prevalent in a mixed-related society. We further hypothesized that nonkin bonds would be less stable than those with kin, and that their formation would be influenced by individual traits, including age and rank, and demographic variables such as kin availability. We found that, in line with kin selection theory and previous work, there was a clear kin bias in social bond partners. However, bonds with nonkin were nevertheless more prevalent than those with kin. We also found that bonds between nonkin were less stable (shorter in duration and more variable in strength across years) in comparison to bonds with kin. Finally, we found that younger individuals and those with fewer kin groupmates were more likely to have social bonds with nonkin. Rank, however, had no effect on the probability of bonding with nonkin. Together, this suggests that kin bonds might provide individuals with stable and predictable benefits, whereas nonkin bonds might be formed more opportunistically, to access specific or volatile resources, or compensate for a lack of kin. This work underscores that more research is needed to better understand the drivers of social bonds with nonkin, including how they are formed and maintained and what functions they serve.</div></div>","PeriodicalId":50788,"journal":{"name":"Animal Behaviour","volume":"239 ","pages":"Article 123661"},"PeriodicalIF":2.3,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148854528","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}