Pick(4.0MB, 00:00:24)Shot Date: 1999/09/10 Shot Location: Mahale Mountains National Park, Tanzania | ||
 | species Pan troglodytes schweinfurthii Key Words | |
|
Pick(4.0MB, 00:00:24)Shot Date: 1999/09/10 Shot Location: Mahale Mountains National Park, Tanzania | ||
| species Pan troglodytes schweinfurthii Key Words | |
|
Animalia >Chordata >Mammalia >Primates >Hominidae >Pan >
A male chimpanzees picks a small object and transfers it into the mouth. He uses his mid finger and thumb for picking. He may remove a louse egg in this movement (cf Tanaka & Takefushi, 1993).
Nishida T, Kano T, Goodall J, McGrew WC, Nakamura M. 1999. Ethogram and ethnography of Mahale Chimpanzees. Anthropol. Sci., 107: 141-188. Tanaka I & Takefushi H. 1993. Elimination of external parasites (lice) is the primary function of grooming in free-ranging Japanese macaques. Anthropol. Sci., 101: 187-193.
(Data No.momo060407pt20a)
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