Why human environments enhance animal capacities to use objects: Evidence from keas (Nestor notabilis) and apes (Gorilla gorilla, Pan paniscus, Pongo abelii, Pongo pygmaeus).
Why human environments enhance animal capacities to use objects: Evidence from keas (Nestor notabilis) and apes (Gorilla gorilla, Pan paniscus, Pongo abelii, Pongo pygmaeus). J Comp Psychol. 2018 11; 132(4):419-426.