The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
17
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Only 3% of bird species have penises.
0
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
The colossal squid has the largest eyes in the world.
4