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Pflüger LS, Pink KE, Wallner B, Radler C, Dorner M, Huffman MA. Twenty-three-year demographic history of the Affenberg Japanese macaques (Macaca fuscata), a translocated semi-free-ranging group in southern Austria. Primates 2021; 62:761-776. [PMID: 34247330 PMCID: PMC8410734 DOI: 10.1007/s10329-021-00928-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Accepted: 06/22/2021] [Indexed: 12/19/2022]
Abstract
Demographic studies on translocated primate groups provide a unique opportunity to study population dynamics, social strategies, and reproductive parameters of a species adapting to new environments. In 1996, 38 Japanese macaques (Macaca fuscata) of the Minoo-H group (Osaka Prefecture, Japan) were translocated to Affenberg Landskron, a four-hectare naturally forested park in southern Austria. By January 2020, the population had increased to 160 individuals, and a total of 223 births were recorded. Births peaked in late April to late May, and the timing was influenced by neither offspring sex nor parity status of the mother. Infant mortality was low (8.97%), mostly involving primiparous females, and the average interbirth intervals were shorter following the death of an infant (1.10 years) than a surviving infant (1.77 years). Females rarely had offspring with the same males repeatedly, and the reproductive success among males declined with increasing years of presence in the group. The main aspects of reproduction, mortality, and mate choice are consistent with published data on natural and provisioned populations in Japan and those translocated to other countries. The life expectancy for females, however, was relatively high (11.72% chance of reaching the age of 20), whereas birth control prevented them from using their lifetime reproductive potential. By January 2020, the number of old individuals (> 18 years; 17.5%) was close to that of juveniles (< 4 years; 22.5%). The specific group composition, along with the inability of males to emigrate out of their natal group, may affect the social dynamics of the population, which merits further attention in future studies.
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Affiliation(s)
- Lena S Pflüger
- Department of Behavioral and Cognitive Biology, University of Vienna, Djerassiplatz 1, 1030, Vienna, Austria.
- Austrian Research Center for Primatology, Ossiach 16, 9570, Ossiach, Austria.
| | - Katharina E Pink
- Family and Population Studies, KU Leuven, Parkstraat 45, 3000, Leuven, Belgium
| | - Bernard Wallner
- Department of Behavioral and Cognitive Biology, University of Vienna, Djerassiplatz 1, 1030, Vienna, Austria
- Austrian Research Center for Primatology, Ossiach 16, 9570, Ossiach, Austria
| | - Claudia Radler
- Institute of Zoology, University of Graz, Universitätsplatz 2, 8010, Graz, Austria
| | - Markus Dorner
- Austrian Research Center for Primatology, Ossiach 16, 9570, Ossiach, Austria
- Affenberg Zoobetriebsgesellschaft mbH, Ossiach 16, 9570, Ossiach, Austria
| | - Michael A Huffman
- Austrian Research Center for Primatology, Ossiach 16, 9570, Ossiach, Austria
- Primate Research Institute, Kyoto University, 41-2 Kanrin, Inuyama, Aichi, 484-8506, Japan
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Higham JP, Kimock CM, Mandalaywala TM, Heistermann M, Cascio J, Petersdorf M, Winters S, Allen WL, Dubuc C. Female ornaments: is red skin color attractive to males and related to condition in rhesus macaques? Behav Ecol 2021; 32:236-247. [PMID: 33814977 PMCID: PMC7995641 DOI: 10.1093/beheco/araa121] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 10/05/2020] [Accepted: 10/23/2020] [Indexed: 11/14/2022] Open
Abstract
Sexual selection produces extravagant male traits, such as colorful ornaments, via female mate choice. More rarely, in mating systems in which males allocate mating effort between multiple females, female ornaments may evolve via male mate choice. Females of many anthropoid primates exhibit ornaments that indicate intraindividual cyclical fertility, but which have also been proposed to function as interindividual quality signals. Rhesus macaque females are one such species, exhibiting cyclical facial color variation that indicates ovulatory status, but in which the function of interindividual variation is unknown. We collected digital images of the faces of 32 rhesus macaque adult females. We assessed mating rates, and consortship by males, according to female face coloration. We also assessed whether female coloration was linked to physical (skinfold fat, body mass index) or physiological (fecal glucocorticoid metabolite [fGCM], urinary C-peptide concentrations) condition. We found that redder-faced females were mated more frequently, and consorted for longer periods by top-ranked males. Redder females had higher fGCM concentrations, perhaps related to their increased mating activity and consequent energy mobilization, and blood flow. Prior analyses have shown that female facial redness is a heritable trait, and that redder-faced females have higher annual fecundity, while other evidence suggests that color expression is likely to be a signal rather than a cue. Collectively, the available evidence suggests that female coloration has evolved at least in part via male mate choice. Its evolution as a sexually selected ornament attractive to males is probably attributable to the high female reproductive synchrony found in this species.
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Affiliation(s)
- James P Higham
- Center for the Study of Human Origins, Department of Anthropology, New York University, New York, NY, USA
- New York Consortium in Evolutionary Primatology, New York, NY, USA
| | - Clare M Kimock
- Center for the Study of Human Origins, Department of Anthropology, New York University, New York, NY, USA
- New York Consortium in Evolutionary Primatology, New York, NY, USA
| | - Tara M Mandalaywala
- Department of Psychological and Brain Sciences, 135 Hicks Way/Tobin Hall, University of Massachusetts Amherst, Amherst, MA, USA
| | - Michael Heistermann
- Endocrinology Laboratory, German Primate Research Center (DPZ), Kellnerweg, Göttingen, Germany
| | - Julie Cascio
- Center for the Study of Human Origins, Department of Anthropology, New York University, New York, NY, USA
- New York Consortium in Evolutionary Primatology, New York, NY, USA
| | - Megan Petersdorf
- Center for the Study of Human Origins, Department of Anthropology, New York University, New York, NY, USA
- New York Consortium in Evolutionary Primatology, New York, NY, USA
| | - Sandra Winters
- Center for the Study of Human Origins, Department of Anthropology, New York University, New York, NY, USA
- New York Consortium in Evolutionary Primatology, New York, NY, USA
| | - William L Allen
- Center for the Study of Human Origins, Department of Anthropology, New York University, New York, NY, USA
- New York Consortium in Evolutionary Primatology, New York, NY, USA
| | - Constance Dubuc
- Center for the Study of Human Origins, Department of Anthropology, New York University, New York, NY, USA
- New York Consortium in Evolutionary Primatology, New York, NY, USA
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Kawazoe T. Male-male social bonds predict tolerance but not coalition formation in wild Japanese macaques. Primates 2020; 62:91-101. [PMID: 32572696 DOI: 10.1007/s10329-020-00838-x] [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] [Received: 09/09/2019] [Accepted: 06/13/2020] [Indexed: 12/01/2022]
Abstract
Social bonds have been construed as differentiated and enduring affiliative relationships. Strong bonds will improve fitness through interchanging with coalition formation or tolerance over resources. Social bonds have been found in a variety of taxa and predict the formation of coalitions even amongst males. However, in species exhibiting steeply linear dominance hierarchies, coalitions are hypothesized to be suppressed due to severe competition amongst males, and thus strong bonds may manifest in other forms of behavior, notably social tolerance. The aim of this study was to examine the effects of male-male social bonds and dominance on agonistic supports and aggressive interaction in one of the most despotic primate species, Japanese macaques. I conducted focal samples on male individuals, recording their grooming, proximity to other members, agonistic supports and membership, and aggressive interactions over a 2-year observation period. Male macaques formed differentiated affiliative relationships across dyads and those relationships showed positive relations between the non-mating and the mating seasons. Steep dominance hierarchies were found amongst males. The occurrence of agonistic supports was not explained by the strength of social bonds but by the dominance of the participants, whereas strong bonds predicted less frequent aggressive interaction. These results are in line with the hypothesis that dominance is a major mechanism underlying coalition formation amongst males. Unlike more egalitarian species, strong bonds do not predict coalition formation but rather tolerance in despotic species. These results suggest male-male social bonds will bring alternative consequences according to dominance structures.
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Affiliation(s)
- Tatsuro Kawazoe
- Research Institute for Languages and Cultures of Asia and Africa, Tokyo University of Foreign Studies, 3-11-1, Asahi-cho, Fuchu, Tokyo, 1838534, Japan. .,School of Sociology and Anthropology, Sun Yat-sen University, No. 135, XingangXi Road, Guangzhou, 510275, Guangdong, People's Republic of China.
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The redder the better? Information content of red skin coloration in female Japanese macaques. Behav Ecol Sociobiol 2019. [DOI: 10.1007/s00265-019-2712-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Kawazoe T, Sosa S. Social networks predict immigration success in wild Japanese macaques. Primates 2018; 60:213-222. [DOI: 10.1007/s10329-018-0702-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Accepted: 11/15/2018] [Indexed: 02/07/2023]
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Testing for links between face color and age, dominance status, parity, weight, and intestinal nematode infection in a sample of female Japanese macaques. Primates 2016; 58:83-91. [DOI: 10.1007/s10329-016-0575-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2016] [Accepted: 09/07/2016] [Indexed: 11/30/2022]
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Kawazoe T. Association patterns and affiliative relationships outside a troop in wild male Japanese macaques, Macaca fuscata, during the non-mating season. BEHAVIOUR 2016. [DOI: 10.1163/1568539x-00003325] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
In many mammals, males disperse more than females. Although males in some male-dispersing species form all-male groups, little is known about the association patterns or social relationships among them. Studies on male–male social relationships have primarily focused on competition over fertile females, but affiliative relationships among males have attracted much interest recently. I suggested a novel method for the classification of males based on their behaviour by principal component analysis (PCA), and investigated association patterns, and affiliative relationships in male Japanese macaques, Macaca fuscata, during the non-mating season. I observed 12 wild male Japanese macaques for 809 h during the non-mating season. The number of other animals within visual range, the amount of time that males spent in the vicinity of other animals, and the frequency of grooming interactions were examined. I classified males into two distinctive clusters (Cluster 1 and 2) according to their association and interaction patterns. Cluster 1 males associated with females and participated in grooming with them. Cluster 2 males had less visual encounters with females and did not groom them. Cluster 2 males showed proximity to other Cluster 2 males in all possible dyads. Although Cluster 2 males showed less proximity to each other than Cluster 1 males did, they frequently exchanged grooming among themselves. Cluster 2 males groomed Cluster 1 males more frequently than they were groomed by them. These results suggested that Cluster 1 were troop males, and Cluster 2 were non-troop males. Cluster 2 males had less opportunity for social interaction than Cluster 1 (troop) males, and they may form all-male groups. Males in all-male groups engaged in more frequent grooming than troop males. In addition, they groomed troop males more frequently than they were groomed. These results suggest that males could be separated by their behaviour. Male–male affiliative relationships might be influenced by within-group potential competition and imbalanced grooming appears to cause troop males to tolerate non-troop males which might be immigrated in near future.
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Affiliation(s)
- Tatsuro Kawazoe
- Laboratory of Human Evolution Studies, Department of Zoology, Graduate School of Science, Kyoto University, Japan
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Grueter CC, Zhu P, Allen WL, Higham JP, Ren B, Li M. Sexually selected lip colour indicates male group-holding status in the mating season in a multi-level primate society. ROYAL SOCIETY OPEN SCIENCE 2015; 2:150490. [PMID: 27019735 PMCID: PMC4807456 DOI: 10.1098/rsos.150490] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2015] [Accepted: 11/12/2015] [Indexed: 06/05/2023]
Abstract
Sexual selection typically produces ornaments in response to mate choice, and armaments in response to male-male competition. Unusually among mammals, many primates exhibit colour signals that may be related to one or both processes. Here, we document for the first time correlates of facial coloration in one of the more brightly coloured primates, the black-and-white snub-nosed monkey (Rhinopithecus bieti). Snub-nosed monkeys have a one-male unit (OMU) based social organization, but these units aggregate semi-permanently into larger bands. This form of mating system causes many males to become associated with bachelor groups. We quantified redness of the prominent lower lip in 15 males (eight bachelors, seven OMU holders) in a group at Xiangguqing, China. Using mixed models, our results show that lip redness increases with age. More interestingly, there is a significant effect of the interaction of group-holding status and mating season on redness; that is, lip colour of OMU males undergoes reddening in the mating season, whereas the lips of subadult and juvenile bachelor males become paler at that time of year. These results indicate that lip coloration is a badge of (group-holding) status during the mating season, with non-adults undergoing facial differentiation, perhaps to avoid the costs of reproductive competition. Future research should investigate whether lip coloration is a product of male-male competition, and/or female mate choice.
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Affiliation(s)
- Cyril C. Grueter
- School of Anatomy, Physiology and Human Biology, The University of Western Australia, Crawley/Perth, Western Australia 6009, Australia
| | - Pingfen Zhu
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, People's Republic of China
| | - William L. Allen
- School of Biological, Biomedical and Environmental Sciences, University of Hull, Hull HU6 7RX, UK
| | - James P. Higham
- Center for the Study of Human Origins, Department of Anthropology, New York University, New York, NY 10003, USA
| | - Baoping Ren
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, People's Republic of China
| | - Ming Li
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, People's Republic of China
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Functions of an unreported “rocking-embrace” gesture between female Japanese Macaques (Macaca fuscata) in Kinkazan Island, Japan. Primates 2014; 55:327-35. [DOI: 10.1007/s10329-014-0411-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2013] [Accepted: 01/23/2014] [Indexed: 10/25/2022]
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10
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Grooming reciprocity in male Tibetan macaques. Am J Primatol 2013; 75:1009-20. [DOI: 10.1002/ajp.22165] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2013] [Revised: 04/07/2013] [Accepted: 04/12/2013] [Indexed: 11/07/2022]
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Rigaill L, Higham JP, Lee PC, Blin A, Garcia C. Multimodal sexual signaling and mating behavior in olive baboons (Papio anubis). Am J Primatol 2013; 75:774-87. [PMID: 23592393 DOI: 10.1002/ajp.22154] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2012] [Revised: 03/04/2013] [Accepted: 03/04/2013] [Indexed: 02/03/2023]
Abstract
In primate species, mating decisions seem to be based on multiple signal elements with different roles in the signaling of female reproductive status. Whereas some primate signals are relatively well described (e.g., sexual swellings and copulation calls), studies that simultaneously assess visual, auditory, behavioral, and olfactory cues as signals of reproductive state are rarely undertaken. We used data on variation in sexual behaviors and sexual swellings in relation to the fertile period (estimated from the date of swelling detumescence) from a troop of semi-free ranging olive baboons (Papio anubis) to assess how different signals influence patterns of mate choice. Using an objective and quantitative measure of swelling size and color, along with detailed data on sexual behaviors from 13 cycles of nine adult females, we found that fine-scale variation in sexual swelling size, female behavior and copulation call rates could advertise the beginning of the fertile phase whereas swelling color did not. Rates of olfactory inspections by males also increased during the fertile phase, suggesting that olfactory signals were of interest to males and may contain information about ovulation. There was no relationship between female characteristics (age and rank) and the expression of sexual signals, except for proceptive behaviors which increased with female rank. Males displayed more sexual behaviors such as approaches and holding and tended to direct more ejaculatory mounts during the fertile phase. All together, we suggest that whereas all males could have information concerning the timing of ovulation through female proceptive behaviors and swelling size, consorting males may have access to additional signals (olfactory cues). Sexual communication in olive baboons is consistent with a multimodal framework for fertility signaling, potentially allowing males and females to establish different mating strategies. The possible selective pressures leading to multi-modal signaling are discussed.
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Affiliation(s)
- Lucie Rigaill
- Laboratoire de Dynamique de l'Evolution Humaine, CNRS UPR 2147, Paris, France
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Allen WL, Higham JP. Analyzing visual signals as visual scenes. Am J Primatol 2013; 75:664-82. [PMID: 23440880 DOI: 10.1002/ajp.22129] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2012] [Revised: 12/11/2012] [Accepted: 12/30/2012] [Indexed: 11/07/2022]
Abstract
The study of visual signal design is gaining momentum as techniques for studying signals become more sophisticated and more freely available. In this paper we discuss methods for analyzing the color and form of visual signals, for integrating signal components into visual scenes, and for producing visual signal stimuli for use in psychophysical experiments. Our recommended methods aim to be rigorous, detailed, quantitative, objective, and where possible based on the perceptual representation of the intended signal receiver(s). As methods for analyzing signal color and luminance have been outlined in previous publications we focus on analyzing form information by discussing how statistical shape analysis (SSA) methods can be used to analyze signal shape, and spatial filtering to analyze repetitive patterns. We also suggest the use of vector-based approaches for integrating multiple signal components. In our opinion elliptical Fourier analysis (EFA) is the most promising technique for shape quantification but we await the results of empirical comparison of techniques and the development of new shape analysis methods based on the cognitive and perceptual representations of receivers. Our manuscript should serve as an introductory guide to those interested in measuring visual signals, and while our examples focus on primate signals, the methods are applicable to quantifying visual signals in most taxa.
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Affiliation(s)
- William L Allen
- Department of Anthropology, New York University, New York, New York 10003, USA.
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