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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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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The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
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There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
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A new born kangaroo is small enough to fit in a spoon!
7
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
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