The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Parrot parents "name" their children with a signature call.
112
Domestic pigs average a top speed of about 11 miles per hour.
182
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
The reindeer is the only mammal that can see UV light.
17
Gorillas can catch human colds and other illnesses.
205