It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
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
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8
Lurch, a Watusi bull, had the largest horns in the world.
32
Bats sleep 18-20 hours per day.
5