The females often choose which male is to be the alpha male in the group, so a male must win acceptance from the females in the community. Male chimpanzees form troops that fight each other, often while attempting to seize part or all of their rivals' territority, or from defending their own. read more
Birds (that evolved directly from dinosaurs) have many human-like traits including high intelligence, tool making ability and an intellectual capacity approaching and possibly paralleling that of chimps, especially ravens (and corvids in general) for tool making ability and African Grey Parrots for language ability. read more