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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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
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The colossal squid has the largest eyes in the world.
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15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
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When dragonflies mate, their tails form a love heart.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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In the movie 'The Wizard Of Oz', Toto the dog's salary was $125 a week, while Judy Garland’s was $500 a week.
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