Rattlesnake mating sessions have been known to last more than 22 hours.
232
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Cows can sleep standing up, but they can only dream lying down.
745
Jellyfish as a species are actually older than dinosaurs and sharks.
383
One in three dog owners say they have talked to their pets on the phone.
427
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25