There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
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
A 42-foot sperm whale has about 7 tons of oil in it.
209
Sharks, like other fish, have their reproductive organs in their chests.
248
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
Sloths take two weeks to digest their food.
243