Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Two dogs were among the Titanic survivors.
262
Only 3% of bird species have penises.
0
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
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
Lobsters have blue blood.
476