Washoe, a chimpanzee, was taught sign language. When one of her trainers returned after a while away Washoe was initially dismissive of her, but when the trainer signed “My baby died”, Washoe signed “cry” and mimicked a tear running down her face.
fact
Washoe, a chimpanzee, was taught sign language. When one of her trainers returned after a while away Washoe was initially dismissive of her, but when the trainer signed “My baby died”, Washoe signed “cry” and mimicked a tear running down her face.