Rattlesnake mating sessions have been known to last more than 22 hours.
232
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132