Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Dogs have four toes on their hind feet, and five on their front feet.
179
The average life span of a hermit crab is 75 years!
45
To escape the grip of a crocodile's jaws, push your thumbs into its eyeballs. It will let you go instantly.
155
Ralph, the world's largest bunny, weighs 55 pounds and eats $90 worth of food a week.
8