Sharks have been on the planet longer than trees.
14
The Basenji dog is the only dog that is not able to bark.
4
Lurch, a Watusi bull, had the largest horns in the world.
32
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
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