A chimpanzee, which was raised as a human being by a psychologist, learnt sign language, dressed herself and ate with silverware, was shipped away to assimilate in wild, expressed “hurt” via sign, and later died.
A chimpanzee has been observed wearing a piece of grass into her ear, with no apparent function. After other members of her group started imitating her, researchers realized to be in presence of the first fashion statement observed in other animals.
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.
Congo, a chimpanzee who made over 400 paintings, would scream if a painting was taken away from him before he was finished.
A chimpanzee named Frodo has impregnated his own mother, killed a human infant, attacked cartoonist Gary Larson, and beat the head of primatologist Jane Goodall so badly, he almost broke her neck.
A chimpanzee that was socialized to humans since birth could log onto a computer to look at pictures, watch television using a remote control, brush his teeth, feed hay to his owner’s horses, water plants and learned the schedule of passing ice cream trucks.
A chimpanzee named Santino was known to collect rocks and pieces of concrete in the hour before his exhibit opened. Come showtime, he would hurl the dessert plate-sized rocks at zoo patrons.