From her studies, Fiona concluded that the relative absence of creepy-crawlies was the biggest reason chimpanzees build nests. When she slept on the bare ground, she found that just after sunset it ...

Infant chimpanzees are out of mom’s reach the majority of the time they descend from the trees. Kevin Lee/Ngogo Chimpanzee Project and Arizona State University Adolescents are known for risky behavior ...

In the quest to understand how and why early humans started walking on two legs, scientists are now looking to chimpanzees living in dry, open savannah-like environments for clues. A new study reveals ...

KIBALE NATIONAL PARK, Uganda (AP) — The man tracking chimpanzee movements in a rainforest is required to follow the primates wherever they go — except up in the trees. Onesmas Ainebyona stalks the ...

The long-running conflict in a formerly unified community, the second ever observed, adds to Jane Goodall’s studies about a ...

Drumming and singing at the same time is impressive, whether you’re Karen Carpenter, Ringo Starr or a chimpanzee. Japanese ...

Conflict between people and apes is very rare here but in other Ugandan forests, the sight of chimps crossing the road would ...

A mother chimpanzee looks out from the central tree to her breakfast (seeds!) at the end of thin branches. Image by Rhianna C. Drummond-Clarke/Greater Mahale Ecosystem Research and Conservation (GMERC ...