aggression
New study links chimp aggression to resource gain
A new study shows that male chimpanzee groups move into the territory of other chimpanzee groups to attack them and ultimately take over the territory or mates. But the scientists who conducted the study say they are reluctant to draw comparisons to human warfare. Instead, they are emphasizing the individual cooperation involved.
The Guardian quotes scientist John Mitani, a primate behavioral ecologist at the University of Michigan:
