The head of a jellyfish is called the "Bell."
6
Jellyfish as a species are actually older than dinosaurs and sharks.
383
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
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
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
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