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Primates; Journal of Primatology

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https://www.readbyqxmd.com/read/29671163/the-influence-of-kinship-and-dominance-hierarchy-on-grooming-partner-choice-in-free-ranging-macaca-mulatta-brevicaudus
#1
Cheng-Feng Wu, Zhi-Jie Liao, Cedric Sueur, John Chih Mun Sha, Jie Zhang, Peng Zhang
In group-living animals, individuals do not interact uniformly with their conspecifics. Among primates, such heterogeneity in partner choice can be discerned from affiliative grooming patterns. While the preference for selecting close kin as grooming partners is ubiquitous across the primate order, the selection of higher-ranking non-kin individuals as grooming partners is less common. We studied a group of provisioned rhesus macaques (Macaca mulatta brevicaudus) on Hainan Island, China, to examine rank-related benefits of grooming exchanges and the influence of kin relationships...
April 18, 2018: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/29666971/hot-spring-bathing-of-wild-monkeys-in-shiga-heights-origin-and-propagation-of-a-cultural-behavior
#2
EDITORIAL
Tetsuro Matsuzawa
No abstract text is available yet for this article.
April 17, 2018: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/29616368/beneficial-effect-of-hot-spring-bathing-on-stress-levels-in-japanese-macaques
#3
Rafaela S C Takeshita, Fred B Bercovitch, Kodzue Kinoshita, Michael A Huffman
The ability of animals to survive dramatic climates depends on their physiology, morphology and behaviour, but is often influenced by the configuration of their habitat. Along with autonomic responses, thermoregulatory behaviours, including postural adjustments, social aggregation, and use of trees for shelter, help individuals maintain homeostasis across climate variations. Japanese macaques (Macaca fuscata) are the world's most northerly species of nonhuman primates and have adapted to extremely cold environments...
April 3, 2018: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/29550951/stone-tool-use-by-wild-capuchin-monkeys-sapajus-libidinosus-at-serra-das-confus%C3%A3%C2%B5es-national-park-brazil
#4
Tiago Falótico, Paulo Henrique M Coutinho, Carolina Q Bueno, Henrique P Rufo, Eduardo B Ottoni
Capuchin monkeys (Sapajus spp.) are proficient tool users, and the use of stone tools occurs in several populations, mostly to crack open encased foods. Two well-studied Brazilian populations of Sapajus libidinosus inhabit Fazenda Boa Vista and Serra da Capivara National Park and present different behavioral sets regarding tool use. Serra das Confusões National Park (SCoNP) lies between those sites, but little is known about the capuchin monkey population that lives there. To begin unraveling the capuchin behavior in this area, we conducted a brief survey for tool use sites...
March 17, 2018: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/29525834/tree-community-structure-reflects-niche-segregation-of-three-parapatric-squirrel-monkey-species-saimiri-spp
#5
Fernanda Pozzan Paim, Kim Valenta, Colin A Chapman, Adriano Pereira Paglia, Helder Lima de Queiroz
Integration between ecology and biogeography provides insights into how niche specialization affects the geographical distribution of species. Given that rivers are not effective barriers to dispersal in three parapatric species of squirrel monkeys (Saimiri vanzolinii, S. cassiquiarensis and S. macrodon) inhabiting floodplain forests of Central Amazonia, we tested whether forest structure and tree diversity may explain species differences in niche specialization and spatial segregation. We sampled 6617 trees of 326 species in three habitats (high várzea, low várzea and chavascal) used by three Saimiri species, and estimated tree species richness in each of them...
March 10, 2018: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/29524002/modeling-habitat-suitability-for-chimpanzees-pan-troglodytes-verus-in-the-greater-nimba-landscape-guinea-west-africa
#6
Maegan Fitzgerald, Robert Coulson, A Michelle Lawing, Tetsuro Matsuzawa, Kathelijne Koops
Tropical forests and the biodiversity within them are rapidly declining in the face of increasing human populations. Resource management and conservation of endangered species requires an understanding of how species perceive and respond to their environments. Species distribution modeling (SDM) is an appropriate tool for identifying conservation areas of concern and importance. In this study, SDM was used to identify areas of suitable chimpanzee (Pan troglodytes verus) habitat within the Greater Nimba Landscape, Guinea, West Africa...
March 9, 2018: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/29511901/tie-one-on-nest-tying-by-wild-chimpanzees-at-bulindi-a-variant-of-a-universal-great-ape-behavior
#7
Matthew R McLennan
With data accumulating from a growing pool of chimpanzee field studies, new behaviors as well as novel variants on common behaviors continue to be described. Nest construction is a universal behavior in wild great apes. Among chimpanzee populations, reported variation in nest building behavior mostly reflects environmental constraints. Despite the ubiquity of nest making by chimpanzees, only ground nesting has been recognized as a behavioral variant, potentially determined by both environmental and social factors...
March 6, 2018: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/29502326/expression-of-concern-biologically-validating-the-measurement-of-oxytocin-in-western-lowland-gorilla-gorilla-gorilla-gorilla-urine-and-saliva-using-a-commercial-enzyme-immunoassay
#8
https://www.readbyqxmd.com/read/29476288/chimpanzee-velu-the-wild-chimpanzee-who-passed-away-at-the-estimated-age-of-58
#9
EDITORIAL
Tetsuro Matsuzawa
No abstract text is available yet for this article.
February 23, 2018: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/29429140/comparison-of-fecal-preservation-and-extraction-methods-for-steroid-hormone-metabolite-analysis-in-wild-crested-macaques
#10
Gholib Gholib, Michael Heistermann, Muhammad Agil, Iman Supriatna, Bambang Purwantara, Taufiq Purna Nugraha, Antje Engelhardt
Since the non-invasive field endocrinology techniques were developed, several fecal preservation and extraction methods have been established for a variety of species. However, direct adaptation of methods from previous studies for use in crested macaques should be taken with caution. We conducted an experiment to assess the accuracy and stability of fecal estrogen metabolite (E1C) and glucocorticoid metabolite (GCM) concentrations in response to several preservation parameters: (1) time lag between sample collection and fecal preservation; (2) long-term storage of fecal samples in 80% methanol (MeOH) at ambient temperature; (3) different degrees of feces drying temperature using a conventional oven; and (4) different fecal preservation techniques (i...
February 10, 2018: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/29423533/biologically-validating-the-measurement-of-oxytocin-in-western-lowland-gorilla-gorilla-gorilla-gorilla-urine-and-saliva-using-a-commercial-enzyme-immunoassay
#11
Austin Leeds, Patricia M Dennis, Kristen E Lukas, Tara S Stoinski, Mark A Willis, Mandi W Schook
The neuroendocrine hormone oxytocin, which is an important physiological driver of social behavior and bonding, is increasingly being measured in conjunction with behavior to better understand primate sociality. However, no data are available on oxytocin concentrations within the genus Gorilla, even though the members of this genus are of great interest to researchers due to their close genetic relatedness to humans and their tolerance-based social system. The purpose of this study was to validate the measurement of urinary and salivary oxytocin in western lowland gorillas (Gorilla gorilla gorilla) to facilitate future study of the interaction between oxytocin and behavior in this subspecies...
February 8, 2018: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/29411160/the-influence-of-anthropogenic-edge-effects-on-primate-populations-and-their-habitat-in-a-fragmented-rainforest-in-costa-rica
#12
Laura M Bolt, Amy L Schreier, Kristofor A Voss, Elizabeth A Sheehan, Nancy L Barrickman, Nathaniel P Pryor, Matthew C Barton
When a forest is fragmented, this increases the amount of forest edge relative to the interior. Edge effects can lead to loss of animal and plant species and decreased plant biomass near forest edges. We examined the influence of an anthropogenic forest edge comprising cattle pasture, coconut plantations, and human settlement on the mantled howler (Alouatta palliata), white-faced capuchin (Cebus capucinus), Central American spider monkey (Ateles geoffroyi), and plant populations at La Suerte Biological Research Station (LSBRS), Costa Rica...
February 6, 2018: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/29387973/reproductive-success-of-two-male-morphs-in-a-free-ranging-population-of-bornean-orangutans
#13
Tomoyuki Tajima, Titol P Malim, Eiji Inoue
The reproductive success of male primates is not always associated with dominance status. For example, even though male orangutans exhibit intra-sexual dimorphism and clear dominance relationships exist among males, previous studies have reported that both morphs are able to sire offspring. The present study aimed to compare the reproductive success of two male morphs, and to determine whether unflanged males sired offspring in a free-ranging population of Bornean orangutans, using 12 microsatellite loci to determine the paternity of eight infants...
January 31, 2018: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/29383576/behavioral-studies-and-veterinary-management-of-orangutans-at-bukit-merah-orang-utan-island-perak-malaysia
#14
Misato Hayashi, Fumito Kawakami, Rosimah Roslan, Nurhafizie M Hapiszudin, Sabapathy Dharmalingam
The Bukit Merah Orang Utan Island (OUI) Foundation has been conducting behavioral and veterinary research on orangutans as an attempt at ex situ conservation. Since 2010, the Primate Research Institute, Kyoto University has been collaborating with OUI to promote environmental enrichment and infant rearing by biological mothers in addition to the continuous efforts of refining the veterinary management of the endangered species. In 2011, three Bornean orangutans (Pongo pygmaeus pygmaeus) were released on an island, called BJ Island, adjacent to OUI...
January 30, 2018: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/29282581/cumulative-culture-in-nonhumans-overlooked-findings-from-japanese-monkeys
#15
REVIEW
Daniel P Schofield, William C McGrew, Akiko Takahashi, Satoshi Hirata
Cumulative culture, generally known as the increasing complexity or efficiency of cultural behaviors additively transmitted over successive generations, has been emphasized as a hallmark of human evolution. Recently, reviews of candidates for cumulative culture in nonhuman species have claimed that only humans have cumulative culture. Here, we aim to scrutinize this claim, using current criteria for cumulative culture to re-evaluate overlooked qualitative but longitudinal data from a nonhuman primate, the Japanese monkey (Macaca fuscata)...
March 2018: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/29264764/evidence-for-the-possible-occurrence-of-grave-s-disease-in-a-blue-eyed-black-lemur-eulemur-flavifrons
#16
Benoît Quintard, Marine Giorgiadis, Xavier Feirrera, Brice Lefaux, Christophe Schohn, Karin Lemberger
The blue-eyed black lemur (Eulemur flavifrons) is classified by the International Union for Conservation of Nature (IUCN) as critically endangered. A 23-year-old male housed at Mulhouse Zoo presented with lethargy, polyphagia, alopecia, and chronic weight loss. Clinical examination suggested an endocrine pathology such as hyperthyroidism. Secondary examinations included cervical ultrasound, thyroid biopsy, and scintigraphy. The latter revealed elevated thyroid activity. Blood analysis was performed to measure the level of anti-receptor thyroid-stimulating hormone antibodies, which allowed us to test the autoimmune hypothesis...
March 2018: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/29247286/social-relationship-and-hair-cortisol-level-in-captive-male-chimpanzees-pan-troglodytes
#17
Yumi Yamanashi, Migaku Teramoto, Naruki Morimura, Etsuko Nogami, Satoshi Hirata
Understanding how social relationships affect long-term stress is important because stress has a profound impact on the welfare of animals and social relationships often exert a strong influence on their stress responses. The purpose of this study was to investigate the relationship between social behaviors and long-term stress levels as assessed by hair cortisol (HC) concentration. The subjects were 11 chimpanzees living in an all-male group (divided into two sub-groups) in Kumamoto Sanctuary, Kyoto University, Japan...
March 2018: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/29230674/diet-and-activity-patterns-of-arsi-geladas-in-low-elevation-disturbed-habitat-south-of-the-rift-valley-at-indetu-ethiopia
#18
Kelil Abu, Addisu Mekonnen, Afework Bekele, Peter J Fashing
Understanding the basic natural history of threatened primate taxa is crucial to developing and implementing successful conservation strategies for them. Data on feeding ecology and activity patterns are particularly important for identifying the strategies through which primates invest time and foraging effort towards survival and reproduction at a given locale. Here, we report the results of the first study of the diet and activity budget of Arsi geladas, a population of < 1000 individuals endemic to a heavily disturbed region of the southern Ethiopian Highlands and believed to represent a new taxon of geladas...
March 2018: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/29363010/visual-discrimination-of-primate-species-based-on-faces-in-chimpanzees
#19
Duncan A Wilson, Masaki Tomonaga
Many primate studies have investigated discrimination of individual faces within the same species. However, few studies have looked at discrimination between primate species faces at the categorical level. This study systematically examined the factors important for visual discrimination between primate species faces in chimpanzees, including: colour, orientation, familiarity, and perceptual similarity. Five adult female chimpanzees were tested on their ability to discriminate identical and categorical (non-identical) images of different primate species faces in a series of touchscreen matching-to-sample experiments...
January 23, 2018: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/29214419/parabolic-flight-experiencing-zero-gravity-to-envisage-the-future-of-human-evolution
#20
EDITORIAL
Tetsuro Matsuzawa
No abstract text is available yet for this article.
January 2018: Primates; Journal of Primatology
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