Greyhounds have the best eyesight of any breed of dog.
28
Iguanas have two penises!
55
Gorillas can catch human colds and other illnesses.
205
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
A Koala Bear sleeps 22 hours of every day.
20
How does a shark find fish? It can hear their hearts beating.
31