منابع مشابه
The last great apes?
F orty years ago, adolescent Figan set off confidently into the woods of Tanzania as though he knew of a food source even richer than the bananas near Jane Goodall's camp. Older and stronger chimpanzees would follow him away. Then he'd lose them and circle back to gorge himself on bananas. One day, a high-ranking male turned up in the meantime and sat eating, in full possession of the site. Whe...
متن کاملImage scoring in great apes.
'Image scoring' occurs when person A monitors the giving behaviour of person B towards person C. We tested for 'image scoring' in chimpanzees, bonobos, gorillas, and orangutans. Subjects passively observed two types of incident: (i) a 'nice' person gave grapes to a human beggar, and (ii) a 'nasty' person refused to give. The subject witnessed both incidents in succession (but was unable to obta...
متن کاملImitation recognition in great apes
testing behaviour in apes as behavioural patterns which were enacted while facing E, if they fell outside of the described repertoire of the species (for example, testing poses; see Figure ), or were combined in non-standard sequences (testing sequences) or uncharacteristically long bouts of repetitions (behaviour repetitions). Out of 46 coded bouts of testing behaviour, four were testing poses...
متن کاملGreat apes prefer cooked food.
The cooking hypothesis proposes that a diet of cooked food was responsible for diverse morphological and behavioral changes in human evolution. However, it does not predict whether a preference for cooked food evolved before or after the control of fire. This question is important because the greater the preference shown by a raw-food-eating hominid for the properties present in cooked food, th...
متن کاملPantomime in great apes: Evidence and implications.
We recently demonstrated, by mining observational data, that forest-living orangutans can communicate using gestures that qualify as pantomime.1 Pantomimes, like other iconic gestures, physically resemble their referents.2,3 More elaborately, pantomimes involve enacting their referents.4 Holding thumb and finger together at the lips and blowing between them to mean "balloon" is one example.5 He...
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ژورنال
عنوان ژورنال: Nature
سال: 2001
ISSN: 0028-0836,1476-4687
DOI: 10.1038/35107134