A 42-foot sperm whale has about 7 tons of oil in it.
209
Sloths take two weeks to digest their food.
243
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Cats sleep for 70% of their lives.
8
There are approximately three chickens for every human on Earth.
13
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14