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
Gorillas can catch human colds and other illnesses.
205
Bats sleep 18-20 hours per day.
5
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Rattlesnake mating sessions have been known to last more than 22 hours.
232
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
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34