Hand preference in a captive island group of chimpanzees (Pan troglodytes) [0.03%]
人工饲养下的倭黑猩猩群体中的利手现象(潘特罗格多特斯)
Linda F Marchant,Horst D Steklis
Linda F Marchant
Morphological cerebral asymmetries in chimpanzee brains, similar to those found in humans, in whom they are associated with speech and handedness, suggest the possibility of functional lateralization in the chimpanzee. This possibility was ...
Marc D Hauser,Dorothy L Cheney,Robert M Seyfarth
Marc D Hauser
Three cases of group fusion were observed among vervet monkeys in Amboseli National Park, Kenya, during the 1984 drought. In all cases, group fusion involved the migration of at least two females into a small neighboring group. Following mi...
Diet and habitat preference of Mandrillus sphinx in gabon: Implications of foraging strategy [0.03%]
刚果喀邦白臀長尾猴的食性與棲地選擇及其取食策略之意涵
Sally A Lahm
Sally A Lahm
An ecological study of the mandrill was conducted in northeastern and central Gabon from November 1982 to October 1983. The purpose of the study was to gather basic ecological data on the mandrill as a foundation for a future long-term stud...
Population trends of the mantled howler groups of La Pacifica, Guanacaste, Costa Rica [0.03%]
哥斯达黎加拉帕西菲卡地区的猴群数量变化趋势
Margaret R Clarke,Evan L Zucker,Norman J Scott Jr
Margaret R Clarke
A complete survey of La Pacifica in Guanacaste Province, Costa Rica was conducted in July 1984 in order to determine whether the howler (Alouatta palliata) population had declined since 1972 as a result of deforestation. During the 6-day su...
Male behavior through the breeding season in Saimiri boliviensis boliviensis [0.03%]
玻利维亚白面僧猴繁殖季节的行为研究
Lawrence Williams,William Vitulli,Tana McElhinney et al.
Lawrence Williams et al.
The Bolivian squirrel monkey (Saimiri boliviensis boliviensis) is a seasonal breeder. Male squirrel monkeys show distinct morphological and behavioral changes prior to and during the breeding season. A "fatting syndrome" includes increased ...
Affiliative interference in mounts in a group of Tonkean macaques (Macaca tonkeana) [0.03%]
群体中Tonkean叶猴骑乘行为中的亲社会干扰现象
B Thierry
B Thierry
Affiliative interference in mounts was studied in a group of Tonkean macaques (Macaca tonkeana) living in semi-liberty. Over a 4-year period, 545 sexual and noncopulatory mounts accompanied by 367 instances of interference were recorded usi...
Comparative studies of social behavior in Callicebus and Saimiri: Behavioral and physiological responses of established pairs to unfamiliar pairs [0.03%]
狨的社会行为比较研究: Established pair对陌生个体的行为和生理反应
G Anzenberger,S P Mendoza,W A Mason
G Anzenberger
Comparisons were made of the behavioral and physiological responses of heterosexual pairs of two closely related New World primates, Callicebus moloch and Saimiri sciureus, to confrontations with unfamiliar pairs. Subject pairs were exposed...
Estradiol increases somatomedin-C concentrations in adolescent rhesus macaques (Macaca mulatta) [0.03%]
雌二醇增加青少年恒河猴的somatomedin-C浓度
Erin L Osterud,Suzette Lackey,Mark E Wilson
Erin L Osterud
Estradiol (E2) may enhance somatomedin-C (Sm-C) secretion during puberty in female rhesus monkeys. The present study evaluated the importance of age and acute changes in E2 on Sm-C secretion. Intact (INT) females at their first ovulation (a...
Population structure of Aotus nancymai (Cebidae: Primates) in Peruvian Amazon lowland forest [0.03%]
秘鲁亚马逊低地森林中夜猴(Aotus nancymai)的种群结构(英文)
Rolando Aquino,Filomeno Encarnación
Rolando Aquino
Wild groups of Aotus nancymai were trapped at three sites in the Peruvian Amazon lowland forest in order to study their social structure. Data on population density, group size, sex and age composition, social organization, and population s...