Deep in the forests of Mexico’s Yucatan Peninsula, a story of animal intelligence and social cooperation has unfolded over the last decade. Researchers studying Geoffroy’s spider monkeys have ...

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 ...

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 ...

Conservationists and scientists from almost 20 institutions in the United States, Europe, and Africa, have concluded that immediate conservation efforts to protect red colobus monkey species could ...

Marmoset monkeys make complex vocalizations. Macaque monkeys don't. And the reason could help explain how the human brain evolved to produce speech. Some monkeys have astounding vocal abilities; ...