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
The elephant brain weighs about 6,000g.
274
Sharks have been on the planet longer than trees.
14
Rattlesnake mating sessions have been known to last more than 22 hours.
232
A lion in the wild usually makes no more than twenty kills a year.
186