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American Journal of Primatology

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https://www.readbyqxmd.com/read/29140563/-stink-flirting-in-ring-tailed-lemurs-lemur-catta-male-olfactory-displays-to-females-as-honest-costly-signals
#1
Amber D Walker-Bolton, Joyce A Parga
Sexual selection for honest behavioral displays of quality has driven the development of remarkably complex courtship behavior in many animal species. Olfactory displays are often overlooked as an area of inquiry compared to auditory and visual displays. Ring-tailed lemur (Lemur catta) scent marking of substrates has been studied extensively, although the male olfactory displays of anointing and wafting tails to females has received relatively little attention. We studied the role of male olfactory displays to females, evaluating whether such signals function as honest, costly signals of male dominance status in two groups of wild L...
November 15, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/29140552/the-influence-of-phylogeny-social-style-and-sociodemographic-factors-on-macaque-social-network-structure
#2
Krishna N Balasubramaniam, Brianne A Beisner, Carol M Berman, Arianna De Marco, Julie Duboscq, Sabina Koirala, Bonaventura Majolo, Andrew J MacIntosh, Richard McFarland, Sandra Molesti, Hideshi Ogawa, Odile Petit, Gabriele Schino, Sebastian Sosa, Cédric Sueur, Bernard Thierry, Frans B M de Waal, Brenda McCowan
Among nonhuman primates, the evolutionary underpinnings of variation in social structure remain debated, with both ancestral relationships and adaptation to current conditions hypothesized to play determining roles. Here we assess whether interspecific variation in higher-order aspects of female macaque (genus: Macaca) dominance and grooming social structure show phylogenetic signals, that is, greater similarity among more closely-related species. We use a social network approach to describe higher-order characteristics of social structure, based on both direct interactions and secondary pathways that connect group members...
November 15, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/29140543/infant-mortality-in-white-faced-capuchins-the-impact-of-alpha-male-replacements
#3
Lauren F Brasington, Eva C Wikberg, Shoji Kawamura, Linda M Fedigan, Katharine M Jack
Infanticide is common in the context of alpha male replacements (AMR), particularly in groups where alpha males experience high reproductive skew and the infants are unlikely to be related to a new alpha male. We examined the relationship between the rate of infant mortality, infant age, and the occurrence and type of AMR in white-faced capuchin monkeys (Cebus capucinus imitator) of the Santa Rosa population in Sector Santa Rosa, Área de Conservación Guanacaste. Specifically, we investigated how the source of the new alpha male (coresident or extragroup) and relative aggression level during AMRs influenced infant mortality in this species...
November 15, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/29130511/a-decade-as-executive-editor-of-the-american-journal-of-primatology
#4
EDITORIAL
Paul A Garber
No abstract text is available yet for this article.
November 11, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/29095520/the-grand-challenge-of-great-ape-health-and-conservation-in-the-anthropocene
#5
Dominic A Travis, Elizabeth V Lonsorf, Thomas R Gillespie
"Ecosystem Health recognizes the inherent interdependence of the health of humans, animals and ecosystems and explores the perspectives, theories and methodologies emerging at the interface between ecological and health sciences." This broad focus requires new approaches and methods for solving problems of greater complexity at larger scales than ever before. Nowhere is this point more salient than the case of disease emergence and control at the human-non human primate interface in shrinking tropical forests under great anthropogenic pressure...
November 2, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/29095514/genetic-analysis-of-samples-from-wild-populations-opens-new-perspectives-on-hybridization-between-long-tailed-macaca-fascicularis-and-rhesus-macaques-macaca-mulatta
#6
Srichan Bunlungsup, Sree Kanthaswamy, Robert F Oldt, David Glenn Smith, Paul Houghton, Yuzuru Hamada, Suchinda Malaivijitnond
In the past decade, many researchers have published papers about hybridization between long-tailed and rhesus macaques. These previous works have proposed unidirectional gene flow with the Isthmus of Kra as the zoogeographical barrier of hybridization. However, these reports analyzed specimens of unknown origin and/or did not include specimens from Thailand, the center of the proposed area of hybridization. Collected specimens of long-tailed and rhesus macaques representing all suspected hybridization areas were examined...
November 2, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/29095513/the-evolution-of-cranial-base-and-face-in-cercopithecoidea-and-hominoidea-modularity-and-morphological-integration
#7
Antonio Profico, Paolo Piras, Costantino Buzi, Fabio Di Vincenzo, Flavio Lattarini, Marina Melchionna, Alessio Veneziano, Pasquale Raia, Giorgio Manzi
The evolutionary relationship between the base and face of the cranium is a major topic of interest in primatology. Such areas of the skull possibly respond to different selective pressures. Yet, they are often said to be tightly integrated. In this paper, we analyzed shape variability in the cranial base and the facial complex in Cercopithecoidea and Hominoidea. We used a landmark-based approach to single out the effects of size (evolutionary allometry), morphological integration, modularity, and phylogeny (under Brownian motion) on skull shape variability...
November 2, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/29095512/through-the-eyes-of-children-drawings-as-an-evaluation-tool-for-children-s-understanding-about-endangered-mexican-primates
#8
Montserrat Franquesa-Soler, Juan Carlos Serio-Silva
This study seeks to understand children's perceptions and knowledge of endangered Mexican primates. The black howler monkey (Alouatta pigra) is a charismatic species endemic to Southern Mexico, Northern Belize, and Guatemala and is a symbol of the region that fosters a sense of local pride. Therefore, it can be considered a flagship species for the forests of Southern Mexico. We evaluated the perception and knowledge that 297 Mexican elementary school children (8-10 years old) have about black howler monkeys...
November 2, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/29095510/genetic-assessment-for-the-endangered-black-lion-tamarin-leontopithecus-chrysopygus-mikan-1823-callitrichidae-primates
#9
Paola A Ayala-Burbano, Lucas Caldano, Pedro Manoel Galetti Junior, Alcides Pissinatti, Mara Cristina Marques, Dominic Wormell, Patrícia Domingues de Freitas
This is the first study analyzing genetic diversity in captive individuals of the endangered black lion tamarin, Leontopithecus chrysopygus, and also comparing genetic diversity parameters between wild populations and captive groups using the same set of molecular markers. We evaluated genetic diversity and differentiation for the Brazilian and European captive groups and a wild population through 15 polymorphic microsatellite markers. The genetic diversity levels were similar among Brazilian captive, European captive and wild animals from the National Forest of Capão Bonito...
November 2, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/29095507/social-hair-pulling-in-captive-rhesus-macaques-macaca-mulatta
#10
Allison Heagerty, Rebecca A Wales, Kamm Prongay, Daniel H Gottlieb, Kristine Coleman
Alopecia is common among captive populations of nonhuman primates. There are many potential causes of alopecia, including physiological conditions such as hormonal imbalance and infection, features of the captive environment such as housing type, ground substrate, and group density, as well as behavioral abnormalities such as self-plucking. A potential behavioral cause of alopecia in group-housed primates is social hair pulling, where one animal pulls hair from a conspecific. While social hair pulling has been conflated with overgrooming in some of the alopecia literature, other authors have categorized it as a form of aggression rather than a form of excessive grooming...
November 2, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/29072335/spatial-distribution-of-buffy-tufted-ear-callithrix-aurita-and-invasive-marmosets-callithrix-spp-in-a-tropical-rainforest-reserve-in-southeastern-brazil
#11
Nathalia Detogne, Átilla C Ferreguetti, José Henrique F Mello, Marcelo C Santana, Aline da Conceição Dias, Natalia C J da Mota, Andressa Esteves da Cruz Gonçalves, Cristiane P de Souza, Helena G Bergallo
We investigated the spatial distribution of native and invasive marmoset species (Callithrix), as well as their hybrids, in the Serra dos Órgãos National Park (PARNASO) and surrounding area in Rio de Janeiro state, Brazil. To estimate occupancy and the detection probability, we surveyed 56 sites within the park and 52 sites outside its limits using vocal playbacks, as well as by interviewing local residents in the surrounding area. We estimated the occupancy and detection probability of Callithrix aurita and the observed groups composed of Callithrix jacchus, Callithrix penicillata, and their hybrids...
October 26, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/28926116/a-molar-microwear-texture-analysis-of-pitheciid-primates
#12
Anna J Ragni, Mark F Teaford, Peter S Ungar
Dental microwear textures have been examined for a broad range of extant primates to assess their efficacy for reconstructing diets of fossil species. To date though, no dental microwear texture data have been published for pitheciid molars, despite reported variation in degree of sclerocarpy and, by extension, the fracture properties of foods these platyrrhines eat. While all pitheciids eat hard or tough seeds, Chiropotes and Pithecia have been documented to consume more than Callicebus. In this study, we explored whether measures of molar microwear texture complexity discriminate taxa following variation in reliance upon seeds, and whether dispersion among variables is greatest in Callicebus, which has the most variable diet...
September 19, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/29048740/thyroid-hormone-fluctuations-indicate-a-thermoregulatory-function-in-both-a-tropical-alouatta-palliata-and-seasonally-cold-habitat-macaca-fuscata-primate
#13
Cynthia L Thompson, Brianna L Powell, Susan H Williams, Goro Hanya, Kenneth E Glander, Christopher J Vinyard
Thyroid hormones boost animals' basal metabolic rate and represent an important thermoregulatory pathway for mammals that face cold temperatures. Whereas the cold thermal pressures experienced by primates in seasonal habitats at high latitudes and elevations are often apparent, tropical habitats also display distinct wet and dry seasons with modest changes in thermal environment. We assessed seasonal and temperature-related changes in thyroid hormone levels for two primate species in disparate thermal environments, tropical mantled howlers (Alouatta palliata), and seasonally cold-habitat Japanese macaques (Macaca fuscata)...
November 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/29035006/applying-systems-thinking-to-inform-studies-of-wildlife-trade-in-primates
#14
Mary E Blair, Minh D Le, Hoàng M Thạch, Anna Panariello, Ngọc B Vũ, Mark G Birchette, Gautam Sethi, Eleanor J Sterling
Wildlife trade presents a major threat to primate populations, which are in demand from local to international scales for a variety of uses from food and traditional medicine to the exotic pet trade. We argue that an interdisciplinary framework to facilitate integration of socioeconomic, anthropological, and biological data across multiple spatial and temporal scales is essential to guide the study of wildlife trade dynamics and its impacts on primate populations. Here, we present a new way to design research on wildlife trade in primates using a systems thinking framework...
November 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/29034979/the-role-of-intragroup-agonism-in-parent-offspring-relationships-and-natal-dispersal-in-monogamous-owl-monkeys-aotus-azarae-of-argentina
#15
Margaret K Corley, Siyang Xia, Eduardo Fernandez-Duque
Agonistic behaviors are common in many group-living taxa and may serve a variety of functions, ranging from regulating conflicts over reproduction to defending food resources. However, high rates of agonism are not expected to occur among close relatives or individuals in established mating relationships, which are characteristics of monogamous groups. To contribute to our understanding of agonism within socially monogamous groups, we collected behavioral and demographic data from Azara's owl monkeys (Aotus azarae) in the Gran Chaco of Argentina over 14 years...
November 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/29023900/durability-and-flexibility-of-chimpanzee-grooming-patterns-during-a-period-of-dominance-instability
#16
Nicola F Koyama, Kirsty Ronkainen, Filippo Aureli
Growing evidence from studies on primates and other taxa has shown that the maintenance of long-term affiliative patterns influences fitness. Thus, understanding how individuals regulate social interactions in response to environmental and social factors contributes to our understanding of the evolutionary basis of sociality. We investigated the durability of affiliation patterns in chimpanzees across three 3-month periods of varying social uncertainty depending on the degree of stability in the male hierarchy, with a 2-year gap between each period...
November 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/29023874/multidisciplinary-studies-of-wildlife-trade-in-primates-challenges-and-priorities
#17
Mary E Blair, Minh D Le, Eleanor J Sterling
Wildlife trade is increasingly recognized as an unsustainable threat to primate populations and informing its management is a growing focus and application of primatological research. However, management policies based on ecological research alone cannot address complex socioeconomic or cultural contexts as drivers of wildlife trade. Multidisciplinary research is required to understand trade complexity and identify sustainable management strategies. Here, we define multidisciplinary research as research that combines more than one academic discipline, and highlight how the articles in this issue combine methods and approaches to fill key gaps and offer a more comprehensive understanding of underlying drivers of wildlife trade including consumer demand, enforcement patterns, source population status, and accessibility of targeted species...
November 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/28984992/social-interactions-and-activity-patterns-of-old-barbary-macaques-further-insights-into-the-foundations-of-social-selectivity
#18
Laura Almeling, Holger Sennhenn-Reulen, Kurt Hammerschmidt, Alexandra M Freund, Julia Fischer
Human aging is accompanied by a decrease in social activity and a narrowing in social networks. Studies in nonhuman primates may provide valuable comparative insights in which way aging impacts social life, in the absence of cultural conventions and an awareness of a limited lifetime. For female Barbary macaques at "La Forêt des Singes" in Rocamadour, France, we previously reported an age-associated decrease in active grooming time and network size. Here, we aimed to extend these findings by investigating in which way physical decline, spatial proximity, and aggression vary with age in female Barbary macaques...
November 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/28407279/orangutan-trade-confiscations-and-lack-of-prosecutions-in-indonesia
#19
Vincent Nijman
Prosecuting and sentencing law breakers punishes the offender and acts as a deterrent for future law breakers. With thousands of Sumatran and Bornean orangutans (Pongo abelii and P. pygmaeus) having entered private and government rescue centers and facilities, I evaluate the role of successful prosecution in orangutan conservation in Indonesia. Orangutans have been protected in Indonesian since 1931 and they are not allowed to be traded or to be kept as pets. In the period 1993-2016 at least 440 orangutans were formally confiscated, and many more were "donated" to law enforcement agencies...
November 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/28388824/conservation-strategies-for-understanding-and-combating-the-primate-bushmeat-trade-on-bioko-island-equatorial-guinea
#20
REVIEW
Drew T Cronin, Paul R Sesink Clee, Matthew W Mitchell, Demetrio Bocuma Meñe, David Fernández, Cirilo Riaco, Maximiliano Fero Meñe, Jose Manuel Esara Echube, Gail W Hearn, Mary Katherine Gonder
Bioko Island, Equatorial Guinea is among the important places in Africa for the conservation of primates, but a cultural preference for bushmeat and a lack of effective law enforcement has encouraged commercial bushmeat hunting, threatening the survival of the remaining primate population. For over 13 years, we collected bushmeat market data in the Malabo market, recording over 35,000 primate carcasses, documenting "mardi gras" consumption patterns, seasonal carcass availability, and negative effects resulting from government intervention...
November 2017: American Journal of Primatology
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