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International Journal of Primatology

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https://www.readbyqxmd.com/read/28845070/the-use-of-vocalizations-of-the-sambirano-mouse-lemur-microcebus-sambiranensis-in-an-acoustic-survey-of-habitat-preference
#1
Dan Hending, Marc Holderied, Grainne McCabe
Primate vocalizations convey a variety of information to conspecifics. The acoustic traits of these vocalizations are an effective vocal fingerprint to discriminate between sibling species for taxonomic diagnosis. However, the vocal behavior of nocturnal primates has been poorly studied and there are few studies of their vocal repertoires. We compiled a vocal repertoire for the Endangered Sambirano mouse lemur, Microcebus sambiranensis, an unstudied nocturnal primate of northwestern Madagascar, and compared the acoustic properties of one of their call types to those of M...
2017: International Journal of Primatology
https://www.readbyqxmd.com/read/28845069/highly-polymorphic-microsatellite-markers-for-the-assessment-of-male-reproductive-skew-and-genetic-variation-in-critically-endangered-crested-macaques-macaca-nigra
#2
Antje Engelhardt, Laura Muniz, Dyah Perwitasari-Farajallah, Anja Widdig
Genetic analyses based on noninvasively collected samples have become an important tool for evolutionary biology and conservation. Crested macaques (Macaca nigra), endemic to Sulawesi, Indonesia, are important for our understanding of primate evolution as Sulawesi macaques represent an exceptional example of primate adaptive radiation. Crested macaques are also Critically Endangered. However, to date we know very little about their genetics. The aim of our study was to find and validate microsatellite markers useful for evolutionary, conservation, and other genetic studies on wild crested macaques...
2017: International Journal of Primatology
https://www.readbyqxmd.com/read/28680189/exaggerated-sexual-swellings-and-the-probability-of-conception-in-wild-sanje-mangabeys-cercocebus-sanjei
#3
David Fernández, Diane Doran-Sheehy, Carola Borries, Carolyn L Ehardt
Females of several catarrhine primate species exhibit exaggerated sexual swellings that change in size and coloration during the menstrual cycle and, in some species, gestation. Although their function remains under debate, studies indicate that swellings may contain information males could use to discern ovulation and the probability that a cycle will be conceptive. Here we combine visual ratings of swellings with hormonal data for a group of Sanje mangabeys (18 adult, 3 adolescent females) to determine if their swellings provide reliable information on female fertility...
2017: International Journal of Primatology
https://www.readbyqxmd.com/read/28680188/modeling-social-dominance-elo-ratings-prior-history-and-the-intensity-of-aggression
#4
Nicholas E Newton-Fisher
Among studies of social species, it is common practice to rank individuals using dyadic social dominance relationships. The Elo-rating method for achieving this is powerful and increasingly popular, particularly among studies of nonhuman primates, but suffers from two deficiencies that hamper its usefulness: an initial burn-in period during which the model is unreliable and an assumption that all win-loss interactions are equivalent in their influence on rank trajectories. Here, I present R code that addresses these deficiencies by incorporating two modifications to a previously published function, testing this with data from a 9-mo observational study of social interactions among wild male chimpanzees (Pan troglodytes) in Uganda...
2017: International Journal of Primatology
https://www.readbyqxmd.com/read/28546653/biosocial-conservation-integrating-biological-and-ethnographic-methods-to-study-human-primate-interactions
#5
Joanna M Setchell, Emilie Fairet, Kathryn Shutt, Siân Waters, Sandra Bell
Biodiversity conservation is one of the grand challenges facing society. Many people interested in biodiversity conservation have a background in wildlife biology. However, the diverse social, cultural, political, and historical factors that influence the lives of people and wildlife can be investigated fully only by incorporating social science methods, ideally within an interdisciplinary framework. Cultural hierarchies of knowledge and the hegemony of the natural sciences create a barrier to interdisciplinary understandings...
2017: International Journal of Primatology
https://www.readbyqxmd.com/read/28546652/chimpanzees-pan-troglodytes-flexibly-use-introduced-species-for-nesting-and-bark-feeding-in-a-human-dominated-habitat
#6
Maureen S McCarthy, Jack D Lester, Craig B Stanford
As habitat loss and fragmentation place growing pressure on endangered nonhuman primate populations, researchers find increasing evidence for novel responses in behavior. In western Uganda between the Budongo and Bugoma Forests, chimpanzees (Pan troglodytes schweinfurthii) inhabit a mosaic landscape comprising forest fragments, human settlements, and agricultural land. We recorded nests and feeding evidence of unhabituated chimpanzees in this region over a 12-mo period. We found extensive evidence of nesting in introduced tree species, including eucalyptus (Eucalyptus grandis), guava (Psidium guajava), cocoa (Theobroma cacao), and Caribbean pine (Pinus caribaea)...
2017: International Journal of Primatology
https://www.readbyqxmd.com/read/28546651/activity-and-habitat-use-of-chimpanzees-pan-troglodytes-verus-in-the-anthropogenic-landscape-of-bossou-guinea-west-africa
#7
Nicola Bryson-Morrison, Joseph Tzanopoulos, Tetsuro Matsuzawa, Tatyana Humle
Many primate populations inhabit anthropogenic landscapes. Understanding their long-term ability to persist in such environments and associated real and perceived risks for both primates and people is essential for effective conservation planning. Primates in forest-agricultural mosaics often consume cultivars to supplement their diet, leading to potentially negative encounters with farmers. When crossing roads, primates also face the risk of encounters with people and collision with vehicles. Chimpanzees (Pan troglodytes verus) in Bossou, Guinea, West Africa, face such risks regularly...
2017: International Journal of Primatology
https://www.readbyqxmd.com/read/28546650/samango-monkeys-cercopithecus-albogularis-labiatus-manage-risk-in-a-highly-seasonal-human-modified-landscape-in-amathole-mountains-south-africa
#8
Katarzyna Nowak, Kirsten Wimberger, Shane A Richards, Russell A Hill, Aliza le Roux
Wild species use habitats that vary in risk across space and time. This risk can derive from natural predators and also from direct and indirect human pressures. A starving forager will often take risks that a less hungry forager would not. At a highly seasonal and human-modified site, we predicted that arboreal samango monkeys (Cercopithecus albogularis labiatus) would show highly flexible, responsive, risk-sensitive foraging. We first determined how monkeys use horizontal and vertical space across seasons to evaluate if high-risk decisions (use of gardens and ground) changed with season, a proxy for starvation risk...
2017: International Journal of Primatology
https://www.readbyqxmd.com/read/27546937/patterns-and-consequences-of-male-infant-relationships-in-wild-assamese-macaques-macaca-assamensis
#9
Christin Minge, Andreas Berghänel, Oliver Schülke, Julia Ostner
Male care for offspring is unexpected in polygynandrous mammals. Evidence from nonhuman primates, however, indicates not only the existence of stable male-immature associations in multimale-multifemale groups, but also male care in the form of protection from infanticidal attacks and conspecific harassment. Here, we investigate the relationship characteristics, dynamics, and consequences of male-immature associations in wild Assamese macaques, Macaca assamensis, at Phu Khieo Wildlife Sanctuary, Thailand, to inform hypotheses of their evolutionary origins...
2016: International Journal of Primatology
https://www.readbyqxmd.com/read/27546936/use-of-mangroves-by-lemurs
#10
Charlie J Gardner
Despite an increasing recognition of the ecosystem services provided by mangroves, we know little about their role in maintaining terrestrial biodiversity, including primates. Madagascar's lemurs are a top global conservation priority, with 94 % of species threatened with extinction, but records of their occurrence in mangroves are scarce. I used a mixed-methods approach to collect published and unpublished observations of lemurs in mangroves: I carried out a systematic literature search and supplemented this with a targeted information request to 1243 researchers, conservation and tourism professionals, and others who may have visited mangroves in Madagascar...
2016: International Journal of Primatology
https://www.readbyqxmd.com/read/27257315/the-occurrence-of-postconflict-skills-in-captive-immature-chimpanzees-pan-troglodytes
#11
Samina H Farooqi, Nicola F Koyama
Conflict management strategies can reduce costs of aggressive competition in group-living animals. Postconflict behaviors such as reconciliation and third-party postconflict affiliation are widely accepted as social skills in primates and have been demonstrated in many species. Although immature primates possess a repertoire of species-specific behaviors, it is thought that they gradually develop appropriate social skills throughout prolonged juvenility to establish and maintain complex social relationships within their group...
2016: International Journal of Primatology
https://www.readbyqxmd.com/read/26213430/maternal-behavior-and-physiological-stress-levels-in-wild-chimpanzees-pan-troglodytes-schweinfurthii
#12
Margaret A Stanton, Matthew R Heintz, Elizabeth V Lonsdorf, Rachel M Santymire, Iddi Lipende, Carson M Murray
Individual differences in maternal behavior toward, and investment in, offspring can have lasting consequences, particularly among primate taxa characterized by prolonged periods of development over which mothers can exert substantial influence. Given the role of the neuroendocrine system in the expression of behavior, researchers are increasingly interested in understanding the hormonal correlates of maternal behavior. Here, we examined the relationship between maternal behavior and physiological stress levels, as quantified by fecal glucocorticoid metabolite (FGM) concentrations, in lactating chimpanzees, Pan troglodytes schweinfurthii, at Gombe National Park, Tanzania...
June 2015: International Journal of Primatology
https://www.readbyqxmd.com/read/25983360/sex-differences-in-the-development-of-social-relationships-in-rhesus-macaques-macaca-mulatta
#13
Lars Kulik, Federica Amici, Doreen Langos, Anja Widdig
Several studies have documented the importance of social bonding for the enhancement of individual fitness. However, little is known about how social relationships develop through ontogeny, and whether their development follows the same trajectory in males and females. Here we analyzed affiliative interactions (proximity, social grooming, play) combined with demographic and genetic data in semi-free-ranging rhesus macaques (Macaca mulatta) on Cayo Santiago over their first 4 yr of life (from birth to sexual maturation) to understand how these interactions change through development in both sexes...
April 1, 2015: International Journal of Primatology
https://www.readbyqxmd.com/read/25013243/the-genetic-basis-of-primate-behavior-genetics-and-genomics-in-field-based-primatology
#14
Lauren J N Brent, Amanda D Melin
No abstract text is available yet for this article.
February 1, 2014: International Journal of Primatology
https://www.readbyqxmd.com/read/24701001/quantitative-genetics-of-response-to-novelty-and-other-stimuli-by-infant-rhesus-macaques-macaca-mulatta-across-three-behavioral-assessments
#15
G L Fawcett, A M Dettmer, D Kay, M Raveendran, J D Higley, N D Ryan, J L Cameron, J Rogers
Primate behavior is influenced by both heritable factors and environmental experience during development. Previous studies of rhesus macaques (Macaca mulatta) examined the effects of genetic variation on expressed behavior and related neurobiological traits (heritability and/or genetic association) using a variety of study designs. Most of these prior studies examined genetic effects on the behavior of adults or adolescent rhesus macaques, not in young macaques early in development. To assess environmental and additive genetic variation in behavioral reactivity and response to novelty among infants, we investigated a range of behavioral traits in a large number (N = 428) of pedigreed infants born and housed in large outdoor corrals at the Oregon National Primate Research Center (ONPRC)...
February 1, 2014: International Journal of Primatology
https://www.readbyqxmd.com/read/24659840/personality-traits-in-rhesus-macaques-macaca-mulatta-are-heritable-but-do-not-predict-reproductive-output
#16
Lauren J N Brent, Stuart Semple, Ann Maclarnon, Angelina Ruiz-Lambides, Janis Gonzalez-Martinez, Michael L Platt
There is growing evidence that behavioral tendencies, or "personalities," in animals are an important aspect of their biology, yet their evolutionary basis is poorly understood. Specifically, how individual variation in personality arises and is subsequently maintained by selection remains unclear. To address this gap, studies of personality require explicit incorporation of genetic information. Here, we explored the genetic basis of personality in rhesus macaques by determining the heritability of personality components and by examining the fitness consequences of those components...
February 1, 2014: International Journal of Primatology
https://www.readbyqxmd.com/read/24659839/applying-quantitative-genetic-methods-to-primate-social-behavior
#17
Gregory E Blomquist, Lauren J N Brent
Increasingly, behavioral ecologists have applied quantitative genetic methods to investigate the evolution of behaviors in wild animal populations. The promise of quantitative genetics in unmanaged populations opens the door for simultaneous analysis of inheritance, phenotypic plasticity, and patterns of selection on behavioral phenotypes all within the same study. In this article, we describe how quantitative genetic techniques provide studies of the evolution of behavior with information that is unique and valuable...
February 1, 2014: International Journal of Primatology
https://www.readbyqxmd.com/read/25152554/costs-of-and-investment-in-mate-guarding-in-wild-long-tailed-macaques-macaca-fascicularis-influences-of-female-characteristics-and-male-female-social-bonds
#18
Cédric Girard-Buttoz, Michael Heistermann, Erdiansyah Rahmi, Muhammad Agil, Panji Ahmad Fauzan, Antje Engelhardt
Male primates living in multimale groups tend to direct mate and mate-guarding choices toward females of high reproductive value, i.e., high-ranking, parous females, or females with which they share strong bonds. Little is known, however, about the constraints that may limit male mate-guarding choices (the costs of this behavior) and the influence of the females' quality on male investment in mate-guarding. We aimed to study the effects of female rank, parity status, and male-female social bond strength on the costs of and investment in mate-guarding by males...
2014: International Journal of Primatology
https://www.readbyqxmd.com/read/24719496/distribution-and-abundance-of-the-world-s-smallest-primate-microcebus-berthae-in-central-western-madagascar
#19
Livia Schäffler, Peter M Kappeler
The distribution of most recently discovered or described lemur species remains poorly known, but many appear to have small geographical ranges, making them vulnerable to extinction. Research can contribute to future conservation actions on behalf of these species by providing accurate information on local distribution and abundance. The distribution of the world's smallest primate, the endangered Madame Berthe's mouse lemur (Microcebus berthae), is limited to the Menabe Central region of western Madagascar...
2014: International Journal of Primatology
https://www.readbyqxmd.com/read/24523566/the-influence-of-social-systems-on-patterns-of-mitochondrial-dna-variation-in-baboons
#20
G H Kopp, M J Ferreira da Silva, J Fischer, J C Brito, S Regnaut, C Roos, D Zinner
Behavior is influenced by genes but can also shape the genetic structure of natural populations. Investigating this link is of great importance because behavioral processes can alter the genetic diversity on which selection acts. Gene flow is one of the main determinants of the genetic structure of a population and dispersal is the behavior that mediates gene flow. Baboons (genus Papio) are among the most intensely studied primate species and serve as a model system to investigate the evolution of social systems using a comparative approach...
2014: International Journal of Primatology
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