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Nautiyal H, Tanaka H, Huffman MA. Anti-predator strategies of adult male Central Himalayan Langurs (Semnopithecus schistaceus) in response to domestic dogs in a human-dominated landscape. Primates 2023; 64:361-379. [PMID: 37027070 DOI: 10.1007/s10329-023-01061-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 03/08/2023] [Indexed: 04/08/2023]
Abstract
The evolution of predator-prey relationships is an important topic in primatology. Many aspects of primate society have been explained as a response to predation pressure. While predation has been discussed in broad theoretical terms, few systematically collected data exist on the subject. Furthermore, little information exists regarding the inter-male variation in responses to predators. To address this data gap, predatory dog-primate interactions were studied in a 78-member group of habituated, individually recognized Central Himalayan Langurs (CHL) (Semnopithecus schistaceus) living in a high-altitude subsistence agricultural landscape of northern India. We recorded 312 langur-dog interactions over 2 years. These predation events resulted in 15 serious attacks on adult females, infants, juveniles and sub-adults, in eight of which the prey was killed and consumed on the spot. In response to dog predation, adult males performed three types of anti-predator response behaviors: direct fighting with a predator, emitting alarm calls, fleeing and/or freezing. Differences were noted in each male's response to village dogs. The results showed that the likelihood of CHL adult males engaging in more costly counterattacks or attention getting alarm calls were better predicted by the level of investment in the group (genetic relatedness, duration of residency, social relationships), but not rank and mating rate. Long-duration resident adult males performed high and/or intermediate cost behaviors to protect vulnerable members of the group; their potential offspring, maternal siblings or cousins, and adult female social partners. Short-term residents or recent immigrant males exhibited two less energetically costly, more self-preserving behaviors, depending on their rank: (1) high-ranking short-tenure duration males, with high mating frequencies, performed flee and freeze responses; (2) low-ranking, low-mating-frequency males performed more alarm calls. Counterattacks and alarm calls were performed by adult males with relatively more experience with village dogs and were directed towards dogs with predatory histories significantly more often than dogs with non-predatory histories. Natural selection and kin selection have both contributed to the evolution of CHL anti-predator tactics.
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Affiliation(s)
- Himani Nautiyal
- Kyoto University, Primate Research Institute, Inuyama, Aichi, Japan.
- National Institute of Advanced Studies, Indian Institute of Science, Bengaluru, India.
- Sangam Vihar Chauras, Kilkileshwar, Tehri Garhwal, Uttarakhand, 249161, India.
| | - Hiroyuki Tanaka
- Kyoto University, Primate Research Institute, Inuyama, Aichi, Japan
- Center for Ecological Research, Inuyama Campus, Kyoto University, Inuyama, Aichi, Japan
| | - Michael A Huffman
- Kyoto University, Primate Research Institute, Inuyama, Aichi, Japan
- Wildlife Research Center, Inuyama Campus, Kyoto University, Inuyama, Aichi, Japan
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2
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Jarčuška B. Large-scale spatial pattern of bird responses to a potential predator suggests that predator-specific mobbing is a plastic trait. J ETHOL 2023. [DOI: 10.1007/s10164-023-00781-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
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3
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Brynychová K, Sládeček M, Pešková L, Chajma P, Firlová V, Elhassan E, Vozabulová E, Janatová V, Almuhery A, Šálek M. Aggressiveness in a subtropical shorebird's nest defense is adjusted to the predator species and shared by conspecifics. Aggress Behav 2022; 48:475-486. [PMID: 35527352 DOI: 10.1002/ab.22032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 04/21/2022] [Accepted: 04/26/2022] [Indexed: 11/06/2022]
Abstract
Aggression is an important component of an animal's defense when protecting offspring from predators. Ground nesting birds use a variety of defense strategies. However, their choice according to situation context is poorly known, especially in nonpasserines and in the subtropics and tropics. The ability to distinguish between differently dangerous predator species and the opportunity to share defense with conspecifics are potentially important but little-studied aspects of nest defense strategy. We experimentally studied the nest defense of Red-Wattled Lapwing in an individually marked population in a desert area near Dubai, UAE. We used three stuffed models representing 1) a predator dangerous both to adults and to nests (a cat), 2) a nest predator (a raven), and 3) a harmless reference model (a moorhen). We confirmed that the lapwings distinguished between predator species (being most aggressive toward the cat, and least aggressive toward the moorhen) and adjusted their defense strategy accordingly. In addition, conspecific visitors play a variety of roles in parents' defense strategy. They can strengthen the parental reaction, or they can assist in distracting a predator. The visitors included not only nesting neighbors but also nonbreeding floaters. Both parents participated in nest defense to a similar extent, regardless of incubation stage and ambient temperature. This study provides new insight into the complexity of the defensive patterns in ground-nesting birds inhabiting a hot environment. Comparative experimental research on a range of environments, with various bird species and predator models, can help us to understand the drivers of these defensive behavioral patterns.
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Affiliation(s)
- Kateřina Brynychová
- Department of Ecology, Faculty of Environmental Sciences Czech University of Life Sciences Prague Prague Czech Republic
| | - Martin Sládeček
- Department of Ecology, Faculty of Environmental Sciences Czech University of Life Sciences Prague Prague Czech Republic
| | - Lucie Pešková
- Department of Ecology, Faculty of Environmental Sciences Czech University of Life Sciences Prague Prague Czech Republic
| | - Petr Chajma
- Department of Ecology, Faculty of Environmental Sciences Czech University of Life Sciences Prague Prague Czech Republic
| | - Veronika Firlová
- Department of Ecology, Faculty of Environmental Sciences Czech University of Life Sciences Prague Prague Czech Republic
| | - Esmat Elhassan
- Department of Ecology, Faculty of Environmental Sciences Czech University of Life Sciences Prague Prague Czech Republic
- Natural Resources Conservation Section, Environment Department Dubai Municipality Dubai UAE
| | - Eva Vozabulová
- Department of Ecology, Faculty of Environmental Sciences Czech University of Life Sciences Prague Prague Czech Republic
| | - Veronika Janatová
- Department of Ecology, Faculty of Environmental Sciences Czech University of Life Sciences Prague Prague Czech Republic
| | - Aisha Almuhery
- Natural Resources Conservation Section, Environment Department Dubai Municipality Dubai UAE
| | - Miroslav Šálek
- Department of Ecology, Faculty of Environmental Sciences Czech University of Life Sciences Prague Prague Czech Republic
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Sandoval L, Wilson DR. Neotropical birds respond innately to unfamiliar acoustic signals. Am Nat 2022; 200:419-434. [DOI: 10.1086/720441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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5
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Which acoustic parameters modify the great tit’s response to conspecific combinatorial mobbing calls? Behav Ecol Sociobiol 2022. [DOI: 10.1007/s00265-022-03157-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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6
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Abstract
In many monogamous species, a substantial proportion of offspring is sired by other males than the one providing care at the nest. Although females often solicit extra-pair mating, the benefits of extra-pair copulations to females are not fully understood. In this study on pied flycatchers, we tested whether extra-pair paternity in neighboring nests may have affected the likelihood that males helped defend extra-pair offspring against predators. We found that extra-pair sires were more often engaged and invested more heavily in cooperative predator defense than males without extra-pair offspring. For female flycatchers, extra-pair mating may thus be an adaptive strategy for enhancing offspring survival and breeding success. In many social animals, females mate with multiple males, but the adaptive value of female extra-pair mating is not fully understood. Here, we tested whether male pied flycatchers (Ficedula hypoleuca) engaging in extra-pair copulations with neighboring females were more likely to assist their neighbors in antipredator defense. We found that extra-pair sires joined predator-mobbing more often, approached predators more closely, and attacked predators more aggressively than males without extra-pair offspring in the neighboring nest. Extra-pair mating may incentivize males to assist in nest defense because of the benefits that this cooperative behavior has on their total offspring production. For females, this mating strategy may help recruit more males to join in antipredator defense, offering better protection and ultimately improving reproductive success. Our results suggest a simple mechanism by which extra-pair mating can improve reproductive success in breeding birds. In summary, males siring extra-pair offspring in neighboring nests assist neighbors in antipredator defense more often than males without extra-pair offspring.
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Dutour M, Kasper J, Ridley AR. Transfer of information between a highly social species and heterospecific community members. Behav Ecol Sociobiol 2021. [DOI: 10.1007/s00265-021-03075-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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8
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A non-vocal alarm? Effects of wing trill playbacks on antipredator responses in the scaled dove. Acta Ethol 2021. [DOI: 10.1007/s10211-021-00368-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Blum CR, Fitch WT, Bugnyar T. Rapid Learning and Long-Term Memory for Dangerous Humans in Ravens ( Corvus corax). Front Psychol 2020; 11:581794. [PMID: 33192900 PMCID: PMC7609869 DOI: 10.3389/fpsyg.2020.581794] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 09/28/2020] [Indexed: 11/17/2022] Open
Abstract
Like many predatory species, humans have pronounced individual differences in their interactions with potential prey: some humans pose a lethal threat while others may provide valuable resources. Recognizing individual humans would thus allow prey species to maximize potential rewards while ensuring survival. Previous studies on corvids showed they can recognize and remember individual humans. For instance, wild American crows produced alarm calls toward specifically masked humans up to 2.7 years after those humans had caught and ringed them while wearing that mask. However, individual behavior of the crows or the impact of social features on their responses, was hardly examined. Here, we studied predator learning and social effects on responses, using a similar method, in captive common ravens (Corvus corax). We investigated learning and the impact of key social components on individual reactions to artificial predators. Human experimenters wore two types of masks while walking past two raven aviaries. In four training trials, the "dangerous" mask was presented while carrying a dead raven, whereas the "neutral" mask was presented empty-handed. Between every training trial and in all following trials, we presented both masks without dead ravens. We assessed the subjects' (i) learning speed, (ii) selective long-term response, and (iii) potential effects of social dynamics on individual alarm calling frequency. Ravens learned quickly (often based on the first trial), and some individuals distinguished the dangerous from the neutral mask for the next 4 years. Despite having received the same amount and quality of exposure to the dangerous mask, we found pronounced individual differences in alarm calling that were fairly consistent across test trials in socially stable situations: dominance, but not sex explained individual differences in alarm responses, indicating the potential use of alarm calls as "status symbols." These findings fit to those in wild bird populations and dominant individuals signaling their quality. Changes in the individuals' participation and intensity of alarm calling coincided with changes in group composition and pair formation, further supporting the role of social context on ravens' alarm calling.
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Affiliation(s)
- C. R. Blum
- Department of Cognitive Biology, University of Vienna, Vienna, Austria
- Haidlhof Research Station, University of Vienna and University of Veterinary Medicine Vienna, Vienna, Austria
| | - W. Tecumseh Fitch
- Department of Cognitive Biology, University of Vienna, Vienna, Austria
| | - T. Bugnyar
- Department of Cognitive Biology, University of Vienna, Vienna, Austria
- Haidlhof Research Station, University of Vienna and University of Veterinary Medicine Vienna, Vienna, Austria
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Fisher AM, Cornell SJ, Holwell GI, Price TAR. Mate‐finding Allee effects can be exacerbated or relieved by sexual cannibalism. J Anim Ecol 2020; 89:1581-1592. [DOI: 10.1111/1365-2656.13214] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 02/21/2020] [Indexed: 11/30/2022]
Affiliation(s)
- Adam M. Fisher
- Institute of Integrative Biology University of Liverpool Liverpool UK
| | | | | | - Tom A. R. Price
- Institute of Integrative Biology University of Liverpool Liverpool UK
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11
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Tegtman NT, Magrath RD. Discriminating between similar alarm calls of contrasting function. Philos Trans R Soc Lond B Biol Sci 2020; 375:20190474. [PMID: 32420849 DOI: 10.1098/rstb.2019.0474] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
In a pioneering study of signal design, Marler (Marler 1955 Nature 176, 6-8. (doi:10.1038/176006a0); Marler 1957 Behaviour 11, 13-37. (doi:10.1163/156853956X00066)) argued that the contrasting acoustic design of hawk (seet) and mobbing alarm calls of European passerines reflected their contrasting function. Hawk alarms were high-frequency tones, warning conspecifics to flee but making localization difficult for predators, while mobbing calls were broadband and harsh, allowing easy localization and approach. Contrasting signal features are also consistent with signal detection theory. Discriminating these calls quickly is critical for survival, because hawk alarms require immediate escape. These signals should therefore be selected to be easy to discriminate, reducing the trade-off between immediate fleeing to hawk alarms and unnecessary fleeing to mobbing alarms. Despite these expectations, hawk and mobbing alarm calls of superb fairy-wrens, Malurus cyaneus, are surprisingly similar, raising the question of discriminability without contextual cues. We synthesized these calls on computer, made intermediates and used playbacks to test whether calls can be discriminated acoustically, and if so by what features. We found that birds used multiple acoustic features when discriminating calls, allowing fast discrimination despite overlap in individual parameters. We speculate that the similarity of fairy-wren alarm calls could enhance detectability of both signals, while multiple subtle acoustic differences reduce a trade-off with discriminability. This article is part of the theme issue 'Signal detection theory in recognition systems: from evolving models to experimental tests'.
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Affiliation(s)
- Natalie T Tegtman
- Division of Ecology and Evolution, Research School of Biology, Australian National University, Canberra 2601, Australia
| | - Robert D Magrath
- Division of Ecology and Evolution, Research School of Biology, Australian National University, Canberra 2601, Australia
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12
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Farrow LF, Barati A, McDonald PG. Cooperative bird discriminates between individuals based purely on their aerial alarm calls. Behav Ecol 2019. [DOI: 10.1093/beheco/arz182] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
AbstractFrom an evolutionary perspective, the ability to recognize individuals provides great selective advantages, such as avoiding inbreeding depression during breeding. Whilst the capacity to recognize individuals for these types of benefits is well established in social contexts, why this recognition might arise in a potentially deadly alarm-calling context following predator encounters is less obvious. For example, in most avian systems, alarm signals directed toward aerial predators represent higher predation risk and vulnerability than when individuals vocalize toward a terrestrial-based predator. Although selection should favor simple, more effective alarm calls to these dangerous aerial predators, the potential of these signals to nonetheless encode additional information such as caller identity has not received a great deal of attention. We tested for individual discrimination capacity in the aerial alarm vocalizations of the noisy miner (Manorina melanocephala), a highly social honeyeater that has been previously shown to be able to discriminate between the terrestrial alarm signals of individuals. Utilizing habituation–discrimination paradigm testing, we found conclusive evidence of individual discrimination in the aerial alarm calls of noisy miners, which was surprisingly of similar efficiency to their ability to discriminate between less urgent terrestrial alarm signals. Although the mechanism(s) driving this behavior is currently unclear, it most likely occurs as a result of selection favoring individualism among other social calls in the repertoire of this cooperative species. This raises the intriguing possibility that individualistic signatures in vocalizations of social animals might be more widespread than currently appreciated, opening new areas of bioacoustics research.
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Affiliation(s)
- Lucy F Farrow
- Behavioural and Physiological Ecology Research Centre, Department of Zoology, School of Environmental and Rural Science, University of New England, Armidale, New South Wales, Australia
| | - Ahmad Barati
- Behavioural and Physiological Ecology Research Centre, Department of Zoology, School of Environmental and Rural Science, University of New England, Armidale, New South Wales, Australia
| | - Paul G McDonald
- Behavioural and Physiological Ecology Research Centre, Department of Zoology, School of Environmental and Rural Science, University of New England, Armidale, New South Wales, Australia
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13
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Landsborough B, Wilson DR, Mennill DJ. Variation in chick-a-dee call sequences, not in the fine structure of chick-a-dee calls, influences mobbing behaviour in mixed-species flocks. Behav Ecol 2019. [DOI: 10.1093/beheco/arz155] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
When animals vocalize under the threat of predation, variation in the structure of calls can play a vital role in survival. The chick-a-dee calls of chickadees and titmice provide a model system for studying communication in such contexts. In previous studies, birds’ responses to chick-a-dee calls covaried with call structure, but also with unmeasured and correlated parameters of the calling sequence, including duty cycle (the proportion of the calling sequence when a signal was present). In this study, we exposed flocks of Black-capped Chickadees (Poecile atricapillus) and heterospecific birds to playback of chick-a-dee calls and taxidermic models of predators. We quantified birds’ responses to variation in number of D notes and duty cycle of the signalling sequence. Chickadees and heterospecific birds responded more intensely to high-duty-cycle treatments, and equally to treatments where duty cycle was held constant and the number of D notes varied. Although our study does not disentangle the effects of call rate and duty cycle, it is the first to investigate independently the behavioural responses of birds to variation in structural and sequence-level parameters of the chick-a-dee call during a predator confrontation. Critically, our results confirm that the pattern previously observed in a feeding context holds true in a mobbing context: variation in calling sequences, not in call structure, is the salient acoustic feature of chick-a-dee calls. These results call into question the idea that chick-a-dee call structure carries allometric information about predator size, suggesting instead that sequence-level parameters play a central role in communication in a mobbing context.
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Affiliation(s)
- Blaine Landsborough
- Department of Biological Sciences, University of Windsor, Windsor, Ontario, Canada
| | - David R Wilson
- Department of Psychology, Memorial University of Newfoundland, St. John’s, Newfoundland, Canada
| | - Daniel J Mennill
- Department of Biological Sciences, University of Windsor, Windsor, Ontario, Canada
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14
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The Effect of Pine Forest Structure on Bird-Mobbing Behavior: From Individual Response to Community Composition. FORESTS 2019. [DOI: 10.3390/f10090762] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Pine-forest bird communities are affected by the forest structure and the density and composition of its understory vegetation. In this study, we focused on the combined effects of vegetation structure and caller identity on the mobbing behavior of birds in breeding and non-breeding seasons. We examined the effect of the understory structure and the density of three types of conifer forest habitats on bird behavior by broadcasting three different types of mobbing calls: Those of two all-year resident species in the state Israel (Sardinian warbler Sylvia melanocephala Gmelin and great tit Parus major L.) and one European species (coal tit Periparus ater L.), which is absent from these habitats. The mobbing call attracted 689 birds of 17 species, which represented 31% to 95% of the forest bird species that we detected in point counts at the same study plots. Bird reactions to mobbing calls were affected by the status and season, depending on forest type. Our results show that responses were stronger in forests with developed understory in comparison to forests with no understory, especially in winter. The highest number of responders and highest species richness of responders were observed in winter. P. major calls generated more interspecific than intraspecific responses, whereas S. melanocephala calls generated equal levels of inter- and intraspecific reactions. Both species generated different response patterns across the three forest habitat types. The response level of responders is higher when the mobbing calls are issued by local species rather than the P. ater. In winter, the response of non-resident species was higher than of resident species. Based on these results, we encourage the managers to maintain well-established understory vegetation, with special attention to the shrubs layer, to promote species diversity and rich behavioral responses of birds in the conifer forests in the eastern Mediterranean region.
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Kalb N, Randler C. Behavioral responses to conspecific mobbing calls are predator-specific in great tits ( Parus major). Ecol Evol 2019; 9:9207-9213. [PMID: 31463016 PMCID: PMC6706190 DOI: 10.1002/ece3.5467] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 06/17/2019] [Accepted: 07/01/2019] [Indexed: 11/23/2022] Open
Abstract
When facing a predator, animals need to perform an appropriate antipredator behavior such as escaping or mobbing to prevent predation. Many bird species exhibit distinct mobbing behaviors and vocalizations once a predator has been detected. In some species, mobbing calls transmit information about predator type, size, and threat, which can be assessed by conspecifics. We recently found that great tits (Parus major) produce longer D calls with more elements and longer intervals between elements when confronted with a sparrowhawk, a high-threat predator, in comparison to calls produced in front of a less-threatening tawny owl. In the present study, we conducted a playback experiment to investigate if these differences in mobbing calls elicit different behavioral responses in adult great tits. We found tits to have a longer latency time and to keep a greater distance to the speaker when sparrowhawk mobbing calls were broadcast. This suggests that tits are capable of decoding information about predator threat in conspecific mobbing calls. We further found a tendency for males to approach faster and closer than females, which indicates that males are willing to take higher risks in a mobbing context than females.
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Affiliation(s)
- Nadine Kalb
- Department of BiologyEberhard Karls Universität TübingenTübingenGermany
| | - Christoph Randler
- Department of BiologyEberhard Karls Universität TübingenTübingenGermany
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Dutour M, Lengagne T, Léna J. Syntax manipulation changes perception of mobbing call sequences across passerine species. Ethology 2019. [DOI: 10.1111/eth.12915] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Mylène Dutour
- UMR5023 Ecologie des Hydrosystèmes Naturels et Anthropisés Université Lyon 1, ENTPE, CNRS, Université de Lyon Villeurbanne France
| | - Thierry Lengagne
- UMR5023 Ecologie des Hydrosystèmes Naturels et Anthropisés Université Lyon 1, ENTPE, CNRS, Université de Lyon Villeurbanne France
| | - Jean‐Paul Léna
- UMR5023 Ecologie des Hydrosystèmes Naturels et Anthropisés Université Lyon 1, ENTPE, CNRS, Université de Lyon Villeurbanne France
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Griesser M, Wheatcroft D, Suzuki TN. From bird calls to human language: exploring the evolutionary drivers of compositional syntax. Curr Opin Behav Sci 2018. [DOI: 10.1016/j.cobeha.2017.11.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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