The head of a jellyfish is called the "Bell."
6
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
There's a rare breed of pig that looks like a sheep.
14
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