Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
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
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
A scorpion can hold its breath for up to 6 days.
19
Drivers kill more deer than hunters do.
660
Sharks have been on the planet longer than trees.
14