Gorillas can catch human colds and other illnesses.
205
The largest earthworm on record was found in South Africa and measured 22 feet.
151
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
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
A lion in the wild usually makes no more than twenty kills a year.
186
When dragonflies mate, their tails form a love heart.
22
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10