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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Dolphins have names for one another.
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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A group of kittens is called a "kindle".
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A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
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