
Orangutans Observed Using Hammer Tools to Crack Nuts
New research from the University of Tübingen demonstrates that nut-cracking can emerge in Sumatran (Pongo abelii) and Bornean (Pongo pygmaeus) orangutans through individual learning and certain types of non-copying social learning. “Nut-cracking with hammer tools has been argued to be one of the most complex tool-use behaviors observed in nonhuman animals,” said study lead author […]Read More
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