Jellyfish as a species are actually older than dinosaurs and sharks.
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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
The seahorse is the only fish to have a neck.
12
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
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.
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