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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The Platypus used to be considered a myth like Bigfoot and the Yeti.
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The cat brain weighs about 30g.
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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
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It has been scientifically proven that stroking a cat can lower one's blood pressure!
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