It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
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
Giant Anteaters' front legs look like a panda.
48
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
The elephant brain weighs about 6,000g.
274
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79