Naive orangutans (Pongo abelii & Pongo pygmaeus) individually acquire nut-cracking using hammer tools
E. Bandini, J. Grossmann, M. Funk, A. Albiach Serrano, C. Tennie
This study shows that naive orangutans can spontaneously learn to crack nuts with hammers through individual and non-copying social learning, expanding the known species capable of this behavior.
bioRxiv · Apr 21, 2020Animal Behavior & Cognition