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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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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When cats are happy, they may squeeze their eyes shut.
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A group of kittens is called a "kindle".
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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A new born kangaroo is small enough to fit in a spoon!
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