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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It has been estimated that a bite from a grizzly bear can crush a bowling ball.
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Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
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Lurch, a Watusi bull, had the largest horns in the world.
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Cats recognise the voice of their owner, but never evolved to care.
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