In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Female kangaroos have three vaginas.
2
A domestic cat can sprint at about 31 miles per hour.
274
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
Sharks, like other fish, have their reproductive organs in their chests.
248
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9