Stable long-term individual variation in chimpanzee technological efficiency
S. Berdugo, E. Cohen, A. J. Davis, T. Matsuzawa, S. Carvalho
This study investigates long-term individual variation in chimpanzee nut-cracking efficiency over 25 years, finding stable differences that challenge previous sex-based conclusions.
bioRxiv · Nov 21, 2023 · PreprintAnimal Behavior & Cognition