Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
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
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20