Bats sleep 18-20 hours per day.
5
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
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
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
When you shave a guinea pig it looks like a little hippo.
19