There are large regional differences in the frequency o…
タグ: 山極寿一
Acquisition of a dancing body
Furthermore, standing on two legs made it possible to m…
Communication depending on different group sizes
In fact, even today, humans form groups of various size…
The vocalization of great apes
Chimpanzees sometimes sing together in a loud chorus. G…
Plundering the birds’ pantry
The evolutionary history of primate diets is a story ab…
Human equality theory
Using this primate social evolution model, Itani critic…
No food sharing between adult gorillas?
In gorillas, food sharing between adults has not been o…
The emergence of chiefdoms
7500 years ago, the strengthening of armed force by exp…
Teaching behavior in animals
“Teaching behavior” is manifested when the two parties …
Prerequisites of the family
Taking their cue from the arguments of Espinas, Imanish…
