preparation and use of varied natural tools for extractive foraging by bonobos

Roffman I, Savage-Rumbaugh S, Rubert-Pugh E, Stadler A, Ronen A, & Nevo E (2015).
Preparation and Use of Varied Natural Tools for Extractive Foraging by Bonobos (Pan paniscus).
American Journal of Physical Anthropology 158 (1): 78-91.

bonobos