Cows can sleep standing up, but they can only dream lying down.
745
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
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
The colossal squid has the largest eyes in the world.
4
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Drivers kill more deer than hunters do.
660
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23