Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Dolphins have names for one another.
18
A cow produces around 200,000 glasses of milk in her lifetime.
373
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Lurch, a Watusi bull, had the largest horns in the world.
32
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212