Manufacture and use of tools in wild Sumatran orangutans. Implications for human evolution.
van Schaik
C P
CP
Department of Biological Anthropology and Anatomy, Duke University, Durham, NC 27708, USA.
Fox
E A
EA
Sitompul
A F
AF
D000818:Animals; D000835:Animals, Wild; D005075:Biological Evolution; D005247:Feeding Behavior; D015186:Hominidae; D006801:Humans; D007214:Indonesia; D007313:Insecta; D011148:Pongo pygmaeus / Q000523:psychology*; D014937:Work