Chimpanzee C-1
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sd04-17

C-1-10
The greeting which presents the arm to the individual of high ranking.
Their greeting action is various.
sd04-18

C-1-11
 Although a young child is held in his arms of mother, it becomes horse paste on the back soon.

sd04-19
 C-1-12
A chimpanzee on a tree inserts a thin branch into the nest of Big ant, and is fishing and eating the ant. Tool use culture changes with local groups.