It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
A dork is a whale's penis.
327
In Australia, there are spiders big enough to eat snakes.
20
Tigers can see 6 times better at night than humans.
305
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12