Virgina Morell, Mary Roach, And Peter Miller books

Inside Animal Minds: The New Science of Animal Intelligence (2012)

fashioned and used by a Fongoli chimpanzee. To make the weapon, the chimps sharpen a stick with their teeth and use it to hunt nocturnal bush babies, small primates that sleep by day in tree hollows. (Frans Lanting/National Geographic Stock) Kanzi, a bonobo at the Great Ape Trust in Des Moines, I...