Dogs have been man's pet for over 14,000 years.
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Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
Dolphins have names for one another.
18
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
Lurch, a Watusi bull, had the largest horns in the world.
32
A 42-foot sperm whale has about 7 tons of oil in it.
209
The oldest recorded elephant lived for 82 years.
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