According to a recent survey, pygmy chimpanzees in the Congo Basin may have been hunted so extensively that the survival of the species is at risk. Gland, Switzerland - Pygmy chimpanzees or bonobos — ...

Humans are not the only species to combine concepts to build more complex meaning, a new study found. Bonobo chimpanzees combine calls in a manner similar to how humans structure words to make phrases ...

Papers presented at a conference to observe the centenary of the birth of Robert Mearns Yerkes, held at the Yerkes Primate Research Center, Emory University, Oct. 26-27, 1976. Introduction / Austin ...

WASHINGTON - Chimpanzees are more closely related to people than to gorillas or other monkeys and probably should be included in the human branch of the family tree, a research team says. The idea, ...