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Girard-Buttoz C, Zaccarella E, Bortolato T, Friederici AD, Wittig RM, Crockford C. Chimpanzees produce diverse vocal sequences with ordered and recombinatorial properties. Commun Biol 2022; 5:410. [PMID: 35577891 PMCID: PMC9110424 DOI: 10.1038/s42003-022-03350-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 04/10/2022] [Indexed: 02/06/2023] Open
Abstract
The origins of human language remains a major question in evolutionary science. Unique to human language is the capacity to flexibly recombine a limited sound set into words and hierarchical sequences, generating endlessly new sentences. In contrast, sequence production of other animals appears limited, stunting meaning generation potential. However, studies have rarely quantified flexibility and structure of vocal sequence production across the whole repertoire. Here, we used such an approach to examine the structure of vocal sequences in chimpanzees, known to combine calls used singly into longer sequences. Focusing on the structure of vocal sequences, we analysed 4826 recordings of 46 wild adult chimpanzees from Taï National Park. Chimpanzees produced 390 unique vocal sequences. Most vocal units emitted singly were also emitted in two-unit sequences (bigrams), which in turn were embedded into three-unit sequences (trigrams). Bigrams showed positional and transitional regularities within trigrams with certain bigrams predictably occurring in either head or tail positions in trigrams, and predictably co-occurring with specific other units. From a purely structural perspective, the capacity to organize single units into structured sequences offers a versatile system potentially suitable for expansive meaning generation. Further research must show to what extent these structural sequences signal predictable meanings.
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Affiliation(s)
- Cédric Girard-Buttoz
- Institut des Sciences Cognitives Marc Jeannerod, CNRS, 67 Boulevard Pinel, 69675 BRON, Lyon, France.
- Taï Chimpanzee Project, Centre Suisse de Recherche Scientifique, Abidjan, Ivory Coast.
- Department of Human Behaviour, Ecology and Culture, Max Planck Institute for Evolutionary Anthropology, 04103, Leipzig, Germany.
| | - Emiliano Zaccarella
- Department of Neuropsychology, Max Planck Institute for Human Cognitive Sciences, 04103, Leipzig, Germany
| | - Tatiana Bortolato
- Institut des Sciences Cognitives Marc Jeannerod, CNRS, 67 Boulevard Pinel, 69675 BRON, Lyon, France
- Taï Chimpanzee Project, Centre Suisse de Recherche Scientifique, Abidjan, Ivory Coast
- Department of Human Behaviour, Ecology and Culture, Max Planck Institute for Evolutionary Anthropology, 04103, Leipzig, Germany
| | - Angela D Friederici
- Department of Neuropsychology, Max Planck Institute for Human Cognitive Sciences, 04103, Leipzig, Germany
| | - Roman M Wittig
- Institut des Sciences Cognitives Marc Jeannerod, CNRS, 67 Boulevard Pinel, 69675 BRON, Lyon, France
- Taï Chimpanzee Project, Centre Suisse de Recherche Scientifique, Abidjan, Ivory Coast
- Department of Human Behaviour, Ecology and Culture, Max Planck Institute for Evolutionary Anthropology, 04103, Leipzig, Germany
| | - Catherine Crockford
- Institut des Sciences Cognitives Marc Jeannerod, CNRS, 67 Boulevard Pinel, 69675 BRON, Lyon, France.
- Taï Chimpanzee Project, Centre Suisse de Recherche Scientifique, Abidjan, Ivory Coast.
- Department of Human Behaviour, Ecology and Culture, Max Planck Institute for Evolutionary Anthropology, 04103, Leipzig, Germany.
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2
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Fan P, Liu R, Grueter CC, Li F, Wu F, Huang T, Yao H, Liu D, Liu X. Individuality in coo calls of adult male golden snub-nosed monkeys (Rhinopithecus roxellana) living in a multilevel society. Anim Cogn 2019; 22:71-79. [PMID: 30460512 PMCID: PMC6326966 DOI: 10.1007/s10071-018-1222-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 10/19/2018] [Accepted: 11/08/2018] [Indexed: 11/26/2022]
Abstract
Vocal individuality is a prerequisite for individual recognition, especially when visual and chemical cues are not available or effective. Vocalizations encoding information of individual identity have been reported in many social animals and should be particularly adaptive for species living in large and complexly organized societies. Here, we examined the individuality in coo calls of adult male golden snub-nosed monkeys (Rhinopithecus roxellana) living in a large and multilevel society. Coo calls are one of the most frequently occurring call types in R. roxellana and likely serve as the signals for contact maintenance or advertisement in various contexts including group movement, foraging, and resting. From April to October 2016, April to July 2017, and September to October 2017, we recorded a total of 721 coo calls from six adult males in a provisioned, free-ranging group and one adult male in captivity in Shennongjia National Park, China. We selected 162 high-quality recordings to extract 14 acoustic parameters based on the source-filter theory. Results showed that each of all parameters significantly differed among individuals, while pairwise comparisons failed to detect any parameter that was different between all pairs. Furthermore, a discriminant function analysis indicated that the correct assignment rate was 80.2% (cross-validation: 67.3%), greater than expected by chance (14.3%). In conclusion, we found evidence that coo calls of adult male R. roxellana allowed the reliable accuracy of individual discrimination complementarily enhanced by multiple acoustic parameters. The results of our study point to the selective pressures acting on individual discrimination via vocal signals in a highly gregarious forest-living primate.
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Affiliation(s)
- Penglai Fan
- Key Laboratory of Biodiversity Science and Ecological Engineering (Ministry of Education), College of Life Sciences, Beijing Normal University, Beijing, 100875, China
| | - Ruoshuang Liu
- School of Environment, Beijing Normal University, Beijing, 100875, China
| | - Cyril C Grueter
- School of Human Sciences, University of Western Australia, Perth, WA, 6001, Australia
- Centre for Evolutionary Biology, School of Biological Sciences, University of Western Australia, Perth, WA, 6001, Australia
| | - Fang Li
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Feng Wu
- Shennongjia National Park, Shennongjia, 442421, Hubei, China
| | - Tianpeng Huang
- Shennongjia National Park, Shennongjia, 442421, Hubei, China
| | - Hui Yao
- Shennongjia National Park, Shennongjia, 442421, Hubei, China
| | - Dingzhen Liu
- Key Laboratory of Biodiversity Science and Ecological Engineering (Ministry of Education), College of Life Sciences, Beijing Normal University, Beijing, 100875, China.
| | - Xuecong Liu
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China.
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Spillmann B, van Schaik CP, Setia TM, Sadjadi SO. Who shall I say is calling? Validation of a caller recognition procedure in Bornean flanged male orangutan (Pongo pygmaeus wurmbii) long calls. BIOACOUSTICS 2016. [DOI: 10.1080/09524622.2016.1216802] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Brigitte Spillmann
- Anthropological Institute and Museum, University of Zurich, Zurich, Switzerland
| | - Carel P. van Schaik
- Anthropological Institute and Museum, University of Zurich, Zurich, Switzerland
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4
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Bernstein SK, Sheeran LK, Wagner RS, Li JH, Koda H. The vocal repertoire of Tibetan macaques (Macaca thibetana): A quantitative classification. Am J Primatol 2016; 78:937-49. [PMID: 27243451 DOI: 10.1002/ajp.22564] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2015] [Revised: 05/14/2016] [Accepted: 05/14/2016] [Indexed: 11/10/2022]
Abstract
Vocal repertoires are basic and essential components for describing vocal communication in animals. Studying the entire suite of vocal signals aids investigations on the variation of acoustic structure across social contexts, comparisons on the complexity of communication systems across taxa, and in exploration of the evolutionary origins of species-specific vocalizations. Here, we describe the vocal repertoire of the largest species in the macaque genus, Macaca thibetana. We extracted thirty acoustic parameters from call recordings. Post hoc validation through quantitative analyses of the a priori repertoire classified eleven call types: coo, squawk, squeal, noisy scream, growl, bark, compound squeak, leap coo, weeping, modulated tonal scream, and pant. In comparison to the rest of the genus, Tibetan macaques uttered a wider array of vocalizations in the context of copulations. Previous reports did not include modulated tonal screams and pants during harassment of copulatory dyads. Furthermore, in comparison to the rest of the genus, Tibetan macaque females emit acoustically distinct copulation calls. The vocal repertoire of Tibetan macaques contributes to the literature on the emergence of species-specific calls in the genus Macaca with potential insights from social, reproductive, and ecological comparisons across species. Am. J. Primatol. 78:937-949, 2016. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Sofia K Bernstein
- Department of Ecology and Social Behavior, Primate Research Institute, Kyoto University, Inuyama, Aichi, Japan
| | - Lori K Sheeran
- Department of Anthropology and Museum Studies, Central Washington University, Ellensburg, Washington.,Primate Behavior and Ecology Program, Central Washington University, Ellensburg, Washington
| | - R Steven Wagner
- Primate Behavior and Ecology Program, Central Washington University, Ellensburg, Washington.,Department of Biological Sciences, Central Washington University, Ellensburg, Washington
| | - Jin-Hua Li
- School of Life Science, Hefei Normal University, Hefei, China
| | - Hiroki Koda
- Department of Cognitive Sciences, Primate Research Institute, Kyoto University, Inuyama, Aichi, Japan
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Charlton BD, Keating JL, Rengui L, Huang Y, Swaisgood RR. The acoustic structure of male giant panda bleats varies according to intersexual context. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2015; 138:1305-1312. [PMID: 26428769 DOI: 10.1121/1.4928606] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Although the acoustic structure of mammal vocal signals often varies according to the social context of emission, relatively few mammal studies have examined acoustic variation during intersexual advertisement. In the current study male giant panda bleats were recorded during the breeding season in three behavioural contexts: vocalising alone, during vocal interactions with females outside of peak oestrus, and during vocal interactions with peak-oestrous females. Male bleats produced during vocal interactions with peak-oestrous females were longer in duration and had higher mean fundamental frequency than those produced when males were either involved in a vocal interaction with a female outside of peak oestrus or vocalising alone. In addition, males produced bleats with higher rates of fundamental frequency modulation when they were vocalising alone than when they were interacting with females. These results show that acoustic features of male giant panda bleats have the potential to signal the caller's motivational state, and suggest that males increase the rate of fundamental frequency modulation in bleats when they are alone to maximally broadcast their quality and promote close-range contact with receptive females during the breeding season.
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Affiliation(s)
- Benjamin D Charlton
- School of Biology and Environmental Science, University College Dublin (UCD), Belfield, Dublin 4, Ireland
| | - Jennifer L Keating
- Applied Animal Ecology, San Diego Zoo's Institute for Conservation Research, San Diego, California 92027-7000, USA
| | - Li Rengui
- China Research and Conservation Centre for the Giant Panda, Sichuan, People's Republic of China
| | - Yan Huang
- China Research and Conservation Centre for the Giant Panda, Sichuan, People's Republic of China
| | - Ronald R Swaisgood
- Applied Animal Ecology, San Diego Zoo's Institute for Conservation Research, San Diego, California 92027-7000, USA
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6
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Volodin IA, Zaytseva AS, Ilchenko OG, Volodina EV. Small Mammals Ignore Common Rules: A Comparison of Vocal Repertoires and the Acoustics between Pup and Adult Piebald ShrewsDiplomesodon pulchellum. Ethology 2014. [DOI: 10.1111/eth.12321] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ilya A. Volodin
- Department of Vertebrate Zoology; Faculty of Biology; Lomonosov Moscow State University; Moscow Russia
- Scientific Research Department; Moscow Zoo; Moscow Russia
| | - Alexandra S. Zaytseva
- Department of Vertebrate Zoology; Faculty of Biology; Lomonosov Moscow State University; Moscow Russia
- Scientific Research Department; Moscow Zoo; Moscow Russia
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Erb WM, Hodges JK, Hammerschmidt K. Individual, contextual, and age-related acoustic variation in Simakobu (Simias concolor) loud calls. PLoS One 2013; 8:e83131. [PMID: 24376651 PMCID: PMC3871870 DOI: 10.1371/journal.pone.0083131] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2013] [Accepted: 10/31/2013] [Indexed: 12/02/2022] Open
Abstract
Primate loud calls have the potential to encode information about the identity, arousal, age, or physical condition of the caller, even at long distances. In this study, we conducted an analysis of the acoustic features of the loud calls produced by a species of Asian colobine monkey (simakobu, Simias concolor). Adult male simakobu produce loud calls spontaneously and in response to loud sounds and other loud calls, which are audible more than 500 m. Individual differences in calling rates and durations exist, but it is unknown what these differences signal and which other acoustic features vary among individuals. We aimed to describe the structure and usage of calls and to examine acoustic features that vary within and among individuals. We determined the context of 318 loud calls and analyzed 170 loud calls recorded from 10 adult males at an undisturbed site, Pungut, Siberut Island, Indonesia. Most calls (53%) followed the loud call of another male, 31% were spontaneous, and the remaining 16% followed a loud environmental disturbance. The fundamental frequency (F0) decreased while inter-unit intervals (IUI) increased over the course of loud call bouts, possibly indicating caller fatigue. Discriminant function analysis indicated that calls were not well discriminated by context, but spontaneous calls had higher peak frequencies, suggesting a higher level of arousal. Individual calls were distinct and individuals were mainly discriminated by IUI, call duration, and F0. Loud calls of older males had shorter IUI and lower F0, while middle-aged males had the highest peak frequencies. Overall, we found that calls were individually distinct and may provide information about the age, stamina, and arousal of the calling male, and could thus be a way for males and females to assess competitors and mates from long distances.
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Affiliation(s)
- Wendy M. Erb
- Department of Anthropology, Rutgers University, New Brunswick, New Jersey, United States of America
| | - J. Keith Hodges
- Reproductive Biology Unit, German Primate Center, Göttingen, Germany
| | - Kurt Hammerschmidt
- Cognitive Ethology Laboratory, German Primate Center, Göttingen, Germany
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Salmi R, Hammerschmidt K, Doran-Sheehy DM. Western Gorilla Vocal Repertoire and Contextual Use of Vocalizations. Ethology 2013. [DOI: 10.1111/eth.12122] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Roberta Salmi
- Interdepartmental Doctoral Program in Anthropological Sciences; Stony Brook University; Stony Brook; NY; USA
| | - Kurt Hammerschmidt
- Cognitive Ethology Laboratory; German Primate Center; Göttingen; Germany
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9
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Blumstein DT, Nguyen KT, Martin JGA. Ontogenetic variation of heritability and maternal effects in yellow-bellied marmot alarm calls. Proc Biol Sci 2013; 280:20130176. [PMID: 23466987 PMCID: PMC3619468 DOI: 10.1098/rspb.2013.0176] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2013] [Accepted: 02/12/2013] [Indexed: 11/12/2022] Open
Abstract
Individuals of many species produce distinctive vocalizations that may relay potential information about the signaller. The alarm calls of some species have been reported to be individually specific, and this distinctiveness may allow individuals to access the reliability or kinship of callers. While not much is known generally about the heritability of mammalian vocalizations, if alarm calls were individually distinctive to permit kinship assessment, then call structure should be heritable. Here, we show conclusively for the first time that alarm call structure is heritable. We studied yellow-bellied marmots (Marmota flaviventris) and made nine quantitative measurements of their alarm calls. With a known genealogy, we used the animal model (a statistical technique) to estimate alarm call heritability. In juveniles, only one of the measured variables had heritability significantly different from zero; however, most variables had significant maternal environmental effects. By contrast, yearlings and adults had no significant maternal environmental effects, but the heritability of nearly all measured variables was significantly different from zero. Some, but not all of these heritable effects were significantly different across age classes. The presence of significantly non-zero maternal environmental effects in juveniles could reflect the impact of maternal environmental stresses on call structure. Regardless of this mechanism, maternal environmental effects could permit kinship recognition in juveniles. In older animals, the substantial genetic basis of alarm call structure suggests that calls could be used to assess kinship and, paradoxically, might also suggest a role of learning in call structure.
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Affiliation(s)
- Daniel T Blumstein
- Department of Ecology and Evolutionary Biology, University of California, 621 Young Drive South, Los Angeles, CA 90095-1606, USA.
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Loud calls as a mechanism of social coordination in a fission–fusion taxon, the white-bellied spider monkey (Ateles belzebuth). Behav Ecol Sociobiol 2013. [DOI: 10.1007/s00265-013-1520-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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11
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White DJ, Gersick AS, Snyder-Mackler N. Social networks and the development of social skills in cowbirds. Philos Trans R Soc Lond B Biol Sci 2012; 367:1892-900. [PMID: 22641827 DOI: 10.1098/rstb.2011.0223] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The complex interrelationships among individuals within social environments can exert selection pressures on social skills: those behaviours and cognitive processes that allow animals to manipulate and out-reproduce others. Social complexity can also have a developmental effect on social skills by providing individuals with opportunities to hone their skills by dealing with the challenges posed in within-group interactions. We examined how social skills develop in captive, adult male brown-headed cowbirds (Molothrus ater) that were exposed to differing levels of 'social complexity' across a 2-year experiment. After each year, subjects housed in groups with dynamic social structure (where many individuals entered and exited the groups during the year) outcompeted birds who had been housed in static groups. Exposure to dynamic structure subsequently led to substantial changes to the social networks of the home conditions during the breeding season. Static groups were characterized by a predictable relationship between singing and reproductive success that was stable across years. In dynamic conditions, however, males showed significant variability in their dominance status, their courting and even in their mating success. Reproductive success of males varied dramatically across years and was responsive to social learning in adulthood, and socially dynamic environments 'trained' individuals to be better competitors, even at an age when the development of many traits important for breeding (like song quality) had ended.
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Affiliation(s)
- David J White
- Department of Psychology, Wilfrid Laurier University, 75 University Avenue West, Waterloo, ON N2L 3C5, Canada.
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12
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Schel AM, Zuberbühler K. Predator and non-predator long-distance calls in Guereza colobus monkeys. Behav Processes 2012; 91:41-9. [DOI: 10.1016/j.beproc.2012.05.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2011] [Revised: 05/10/2012] [Accepted: 05/14/2012] [Indexed: 10/28/2022]
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Bailey NW, Zuk M. Socially flexible female choice differs among populations of the Pacific field cricket: geographical variation in the interaction coefficient psi (Ψ). Proc Biol Sci 2012; 279:3589-96. [PMID: 22648156 DOI: 10.1098/rspb.2012.0631] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Indirect genetic effects (IGEs) occur when genes expressed in one individual affect the phenotype of a conspecific. Theoretical models indicate that the evolutionary consequences of IGEs critically depend on the genetic architecture of interacting traits, and on the strength and direction of phenotypic effects arising from social interactions, which can be quantified by the interaction coefficient Ψ. In the context of sexually selected traits, strong positive Ψ tends to exaggerate evolutionary change, whereas negative Ψ impedes sexual trait elaboration. Despite its theoretical importance, whether and how Ψ varies among geographically distinct populations is unknown. Such information is necessary to evaluate the potential for IGEs to contribute to divergence among isolated or semi-isolated populations. Here, we report substantial variation in Ψ for a behavioural trait involved in sexual selection in the field cricket Teleogryllus oceanicus: female choosiness. Both the strength and direction of Ψ varied among geographically isolated populations. Ψ also changed over time. In a contemporary population of crickets from Kauai, experience of male song increased female choosiness. In contrast, experience of male song decreased choosiness in an ancestral population from the same location. This rapid change corroborates studies examining the evolvability of Ψ and demonstrates how interpopulation variation in the interaction coefficient might influence sexual selection and accelerate divergence of traits influenced by IGEs that contribute to reproductive isolation in nascent species or subspecies.
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Affiliation(s)
- Nathan W Bailey
- School of Biology, Dyers Brae House, University of St Andrews, St Andrews, UK.
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Meyer D, Hodges JK, Rinaldi D, Wijaya A, Roos C, Hammerschmidt K. Acoustic structure of male loud-calls support molecular phylogeny of Sumatran and Javanese leaf monkeys (genus Presbytis). BMC Evol Biol 2012; 12:16. [PMID: 22305415 PMCID: PMC3295661 DOI: 10.1186/1471-2148-12-16] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2011] [Accepted: 02/06/2012] [Indexed: 11/30/2022] Open
Abstract
Background The degree to which loud-calls in nonhuman primates can be used as a reliable taxonomic tool is the subject of ongoing debate. A recent study on crested gibbons showed that these species can be well distinguished by their songs; even at the population level the authors found reliable differences. Although there are some further studies on geographic and phylogenetic differences in loud-calls of nonhuman primate species, it is unclear to what extent loud-calls of other species have a similar close relation between acoustic structure, phylogenetic relatedness and geographic distance. We therefore conducted a field survey in 19 locations on Sumatra, Java and the Mentawai islands to record male loud-calls of wild surilis (Presbytis), a genus of Asian leaf monkeys (Colobinae) with disputed taxanomy, and compared the structure of their loud-calls with a molecular genetic analysis. Results The acoustic analysis of 100 surili male loud-calls from 68 wild animals confirms the differentiation of P.potenziani, P.comata, P.thomasi and P.melalophos. In a more detailed acoustic analysis of subspecies of P.melalophos, a further separation of the southern P.m.mitrata confirms the proposed paraphyly of this group. In concordance with their geographic distribution we found the highest correlation between call structure and genetic similarity, and lesser significant correlations between call structure and geographic distance, and genetic similarity and geographic distance. Conclusions In this study we show, that as in crested gibbons, the acoustic structure of surili loud-calls is a reliable tool to distinguish between species and to verify phylogenetic relatedness and migration backgrounds of respective taxa. Since vocal production in other nonhuman primates show similar constraints, it is likely that an acoustic analysis of call structure can help to clarify taxonomic and phylogenetic relationships.
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Affiliation(s)
- Dirk Meyer
- Reproductive Biology Unit, German Primate Center, Göttingen, Germany.
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SCHNEIDEROVÁ IRENA, POLICHT RICHARD. ALARM CALLS OF THE EUROPEAN GROUND SQUIRRELSPERMOPHILUS CITELLUSAND THE TAURUS GROUND SQUIRRELS. TAURENSISENCODE INFORMATION ABOUT CALLER IDENTITY. BIOACOUSTICS 2011. [DOI: 10.1080/09524622.2011.9753631] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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17
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Vocal Repertoire of Golden-backed Uakaris (Cacajao melanocephalus): Call Structure and Context. INT J PRIMATOL 2010. [DOI: 10.1007/s10764-010-9427-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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18
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Responses of golden-backed uakaris, Cacajao melanocephalus, to call playback: implications for surveys in the flooded Igapó forest. Primates 2010; 51:327-36. [DOI: 10.1007/s10329-010-0206-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2010] [Accepted: 06/16/2010] [Indexed: 10/19/2022]
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19
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Spillmann B, Dunkel LP, van Noordwijk MA, Amda RNA, Lameira AR, Wich SA, van Schaik CP. Acoustic Properties of Long Calls Given by Flanged Male Orang-Utans (Pongo pygmaeus wurmbii) Reflect Both Individual Identity and Context. Ethology 2010. [DOI: 10.1111/j.1439-0310.2010.01744.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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20
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Anderson RC. Operant conditioning and copulation solicitation display assays reveal a stable preference for local song by female swamp sparrows Melospiza georgiana. Behav Ecol Sociobiol 2009. [DOI: 10.1007/s00265-009-0838-y] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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22
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Wich SA, Swartz KB, Hardus ME, Lameira AR, Stromberg E, Shumaker RW. A case of spontaneous acquisition of a human sound by an orangutan. Primates 2008; 50:56-64. [DOI: 10.1007/s10329-008-0117-y] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2008] [Accepted: 11/05/2008] [Indexed: 11/30/2022]
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24
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Wich SA, Schel AM, de Vries H. Geographic variation in Thomas langur (Presbytis thomasi) loud calls. Am J Primatol 2008; 70:566-74. [DOI: 10.1002/ajp.20527] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Wich SA, Steenbeek R, Sterck EHM, Korstjens AH, Willems EP, Van Schaik CP. Demography and life history of Thomas langurs (Presbytis thomasi). Am J Primatol 2007; 69:641-51. [PMID: 17177311 DOI: 10.1002/ajp.20386] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Life history data from wild primate populations are necessary to explain variation in primate social systems and explain differences between primates and other mammals. Here we report life history data from a 12.5-year study on wild Thomas langurs. Mean age at first reproduction was 5.4 years and the sex ratio at birth was even. The mean interbirth interval (IBI) after a surviving infant was 26.8 mo, after nonsurviving infants 17.7 mo, and combined 22.0 mo. Mean annual birth rate of adult females was 0.44, while reaching a peak at 6 years of age and showing no decrease with age. Mortality was highest during the first year of life (48.0% for males and 43.0% for females) and consistently higher for males than females. The oldest female observed during the study was estimated to be 20 years of age, whereas the oldest male disappeared at age 13 years, indicating that males die at a much earlier age than females. A Leslie matrix based on these estimates yielded a growth rate of 1.01, which is comparable to the nonsignificant increase in density indicated by our long-term field data. A comparison with life history data for sympatric frugivorous primates suggests that folivory might be associated with faster life history.
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Affiliation(s)
- Serge A Wich
- Great Ape Trust of Iowa, Des Moines, Iowa 50320, USA.
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Delgado RA. Sexual Selection in the Loud Calls of Male Primates: Signal Content and Function. INT J PRIMATOL 2006. [DOI: 10.1007/s10764-005-9001-4] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Lemasson A, Hausberger M, Zuberbühler K. Socially meaningful vocal plasticity in adult Campbell's monkeys (Cercopithecus campbelli). ACTA ACUST UNITED AC 2005; 119:220-9. [PMID: 15982165 DOI: 10.1037/0735-7036.119.2.220] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Campbell's monkeys (Cercopithecus campbelli) frequently exchange vocalizations, the combined-harmonic calls, with individuals responding to one another's calls. Previous work has shown that these calls can be grouped into several structural variants. Adult females differ in their variant repertoires, which may change during their adult life, particularly after changes in the group composition. Playback of females' currently produced variants triggered vocal responses from other group members, whereas the same females' former, no longer used variants and those of stranger females never did. In contrast, former variants caused long-term cessation of vocal behavior, whereas stranger variants had no effect. Data showed that monkeys were able to distinguish between the different types of variants, indicating that these calls form part of a long-term social memory.
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Affiliation(s)
- Alban Lemasson
- Centre National de la Recherche Scientifique, Ethologie-Ecologie-Evolution, Université de Rennes 1, Rennes, France
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King AP, West MJ, Goldstein MH. Non-Vocal Shaping of Avian Song Development: Parallels to Human Speech Development. Ethology 2005. [DOI: 10.1111/j.1439-0310.2004.01039.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Wich SA, Sterck EHM. Possible audience effect in Thomas langurs (Primates; Presbytis thomasi): an experimental study on male loud calls in response to a tiger model. Am J Primatol 2003; 60:155-9. [PMID: 12910466 DOI: 10.1002/ajp.10102] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Recent research indicates that animal vocalizations can refer to objects in the outside world, and that call production may be controlled by the sender depending on the type of audience involved. Our research on wild male Thomas langurs (Primates: Presbytis thomasi) shows that these males call as a response to a tiger model when they are in a group, but do not call when they are solitary. This is the first experimental study on wild primates to demonstrate that the presence or absence of an audience influences calling behavior. Our results indicate that males in mixed-sex groups give more loud calls than solitary males when exposed to a predator model. This suggests that giving loud calls in response to predators is not purely a reflex and may be controlled in some way by the sender.
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Affiliation(s)
- S A Wich
- Behavioural Biology, Utrecht University, Utrecht, The Netherlands
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