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
Sharks have been on the planet longer than trees.
14
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
The oldest recorded elephant lived for 82 years.
213