A cow produces around 200,000 glasses of milk in her lifetime.
373
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
When you shave a guinea pig it looks like a little hippo.
19
In Australia, there are spiders big enough to eat snakes.
20
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