Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
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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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The male seahorse carries babies and 'gives birth' to them instead of the female.
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A puppy is born blind, deaf, and toothless.
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When you shave a guinea pig it looks like a little hippo.
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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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