Scientists Sakumi Iki and Ikuma Adachi recently spent a lot of time watching monkeys scratch themselves. Self-scratching among non-human primates is known to indicate social tension and anxiety. The ...

Researchers in Cameroon are aiming to use the red colobus monkey (Piliocolobus spp.) as both a standard-bearer for conservation and a barometer of forest health. Red colobus are tree-dwelling monkeys ...