Bats sleep 18-20 hours per day.
5
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
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
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
A 42-foot sperm whale has about 7 tons of oil in it.
209