<Notes> Genito-genital Rubbing among the Chimpanzees of Mahale and Bossou
نویسندگان
چکیده
منابع مشابه
Chimpanzee Cultures and Chimpanzees of the Mahale Mountains
Chimpanzee Cultures is an edited volume based on the work of many well known researchers including de Waal, Goodall, McGrew, and Wrangham who have all spent decades studying chimpanzees. The work summarizes material presented at two conferences allowing material from wild and captive studies to be integrated and assessed. As the title of the book suggests this work is focussed on those aspects ...
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Demography provides critical data to increase our understanding of the evolution, ecology, and conservation of primate populations. The chimpanzees of the Mahale Mountains National Park, Tanzania, have been studied for more than 34 yr on the basis of individual identification and standardized attendance records. From this long-term study, we derived the following demographic data: The major cau...
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We present a detailed study of ant-dipping among the wild chimpanzees (Pan troglodytes verus) of Bossou, in southeastern Guinea, West Africa. Observations suggest a strong influence of prey (Dorylusspp.) characteristics, including aggressiveness and/or gregariousness, on tool length and technique employed by the chimpanzees. Bossou chimpanzees exhibit two ant-dipping techniques: 1) direct mouth...
متن کاملDemographic parameters and life history of chimpanzees at Bossou, Guinea.
Demographic parameters of wild chimpanzees at Bossou, Guinea, are presented and compared with those of other populations. The population size of Bossou chimpanzees has been stable over the last 26 years, except during two incidents of partial deforestation. The annual birth rate for a female (mean = 0.194, but 0.165 when the infant survived more than 4 years) and interbirth interval are not muc...
متن کاملthe speech act of advice and the introvert/extrovert distinction among iranian efl university students
the aim of this study is to examine the difference between the introverts and extroverts in preferred advice-giving style. furthermore, it explores the difference between l1 (persian) and l2 (english) regarding the giving of advice for the extroverts and introverts separately. it investigates whether an extrovert or introvert gives advice in the same manner in his l1 (persian) and l2 (english) ...
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ژورنال
عنوان ژورنال: Pan Africa News
سال: 2004
ISSN: 1884-751X
DOI: 10.5134/143444