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
Gorillas can catch human colds and other illnesses.
205
Alligators can live up to 100 years.
337
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
When you shave a guinea pig it looks like a little hippo.
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