I'm continually receiving messages about the fascinating worlds of other animals. Two new reports, one from observations of a chimpanzee and an orangutan swimming and the chimpanzee diving for food ...

A wild orangutan was observed applying a plant with known medicinal properties to a wound, a first for a wild animal. Even though there is evidence of certain self-medication behaviors in animals, so ...

Young orangutans master the art of building intricate treetop nests not by instinct alone, but by closely watching their mothers and peers. Researchers tracking wild Sumatran orangutans over 17 years ...