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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Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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Jellyfish as a species are actually older than dinosaurs and sharks.
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It has been scientifically proven that stroking a cat can lower one's blood pressure!
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