Sexual dimorphism in chimpanzee (Pan troglodytes schweinfurthii) and human age-specific fertility
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چکیده
منابع مشابه
Aping humans: age and sex effects in chimpanzee (Pan troglodytes) and human (Homo sapiens) personality.
Ratings of 202 chimpanzees on 43 personality descriptor adjectives were used to calculate scores on five domains analogous to the human Five-Factor Model and a chimpanzee-specific Dominance domain. Male and female chimpanzees were divided into five age groups ranging from juvenile to old adult. Internal consistencies and interrater reliabilities of factors were stable across age groups and appr...
متن کاملNumerical competence in a chimpanzee (Pan troglodytes).
A chimpanzee (Pan troglodytes), trained to count foods and objects by using Arabic numbers, demonstrated the ability to sum arrays of 0-4 food items placed in 2 of 3 possible sites. To address representational use of numbers, we next baited sites with Arabic numbers as stimuli. In both cases performance was significantly above chance from the first sessions, which suggests that without explicit...
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Carson M. Murray, Elizabeth V. Lonsdorf, Lynn E. Eberly, and Anne E. Pusey Lester E. Fisher Center for the Study and Conservation of Apes, Lincoln Park Zoo, 2001 North Clark Street, Chicago, IL 60614, USA, Department of Biostatistics, School of Public Health, University of Minnesota, 420 Delaware Street SE, Minneapolis, MN 55455, USA, and Jane Goodall Institute’s Center for Primate Studies, Dep...
متن کاملUntrained Chimpanzees (Pan troglodytes schweinfurthii) Fail to Imitate Novel Actions
BACKGROUND Social learning research in apes has focused on social learning in the technical (problem solving) domain - an approach that confounds action and physical information. Successful subjects in such studies may have been able to perform target actions not as a result of imitation learning but because they had learnt some technical aspect, for example, copying the movements of an apparat...
متن کاملUterine leiomyoma in chimpanzee (Pan troglodytes) [Leiomioma uterino em chimpanzé (Pan troglodytes)]
Recebido em 22 de julho de 2004 Aceito em 5 de setembro de 2005 *Corresponding author (autor para correspondência) E-mail: [email protected] Reports of tumors of the reproductive tract in female non-human primates are not frequent. In the literature some cases were observed in females, and they included a cervical leiomyoma, an uterine carcinoma (Mcclure and Guilloud, 1971), four ute...
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ژورنال
عنوان ژورنال: Journal of Human Evolution
سال: 2020
ISSN: 0047-2484
DOI: 10.1016/j.jhevol.2020.102795