Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
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A group of kittens is called a "kindle".
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Early American humans hunted car-size armadillos and used their shells for houses.
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A dairy cow can produce more milk when listening to music.
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Cats sleep for 70% of their lives.
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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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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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