Dogs have been man's pet for over 14,000 years.
224
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Dogs have four toes on their hind feet, and five on their front feet.
179
Cats and dogs can hear ultrasound.
350
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