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
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Rattlesnake mating sessions have been known to last more than 22 hours.
232
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
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
Penguins have a gland above their eye that turns saltwater into freshwater.
12
The largest breed of rabbit is the Flemish Giant.
65