Tag Archive for 'Pan troglodytes schweinfurthii'

Eastern chimpanzees (Pan troglodytes schweinfurthii), a mother with a young, at Gombe Stream National Park, Tanzania. Image credit: Ikiwaner.

Young Chimps Develop Their Own Accents, New Study Finds

Sep 4, 2026 by News Staff

Researchers tracking grunts, whimpers and laughter across two geographically separated chimpanzee populations found that vocal differences sharpen with...

Social grooming between two chimpanzees in the Budongo Forest, Uganda. Image credit: Elodie Freymann.

Medical Care and Hygiene among Chimpanzees Much More Widespread than Thought

May 14, 2025 by News Staff

Primatologists have documented and analyzed both previously reported and newly observed instances of self-directed and other-directed wound care, snare...

Drummond-Clarke et al. show that trees were an essential component of the hominin adaptive niche, with bipedalism evolving in an arboreal context, likely driven by foraging strategy. Illustration by Arturo Asensio, via Quo.es.

Human Bipedalism May Have Evolved in Trees, Study Says

Dec 15, 2022 by News Staff

Bipedalism — walking upright on two legs — us a defining feature of the human lineage. It is thought to have evolved as forests retreated in...

Péter et al. describe the appearance and subsequent spread of well-digging behavior in a previously apparently naïve community of wild East African chimpanzees (Pan troglodytes schweinfurthii). Image credit: Péter et al., doi: 10.1007/s10329-022-00992-4.

Forest-Living East African Chimpanzees are Digging Wells for Cleaner Water: Study

Jun 28, 2022 by News Staff

Digging wells to access or filter drinking water is a relatively rare behavior in the animal kingdom — only a handful of species have been documented...