This is Volume IV of four in a collection on Comparative Psychology. Originally published in 1932, this study is referred to as a classic, in both historical te

First Published in 1999. Routledge is an imprint of Taylor & Francis, an informa company.

An introduction to chimpanzee behavior and conservation, synthesizing findings from long-term field studies in the African rainforest belt.

A 1985 amendment to the Animal Welfare Act requires those who keep nonhuman primates to develop and follow appropriate plans for promoting the animals' psycholo

How did we become the linguistic, cultured, and hugely successful apes that we are? Our closest relatives--the other mentally complex and socially skilled prima