It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Tigers can see 6 times better at night than humans.
305
The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
17
Sloths take two weeks to digest their food.
243
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25