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
Bats sleep 18-20 hours per day.
5
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Early American humans hunted car-size armadillos and used their shells for houses.
12
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2