When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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A puppy is born blind, deaf, and toothless.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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Baby rabbits are called kittens.
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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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Dolphins have names for one another.
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