Sheep, goats, octopuses, and toads have rectangular pupils.
7
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV 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.
11
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14