Mosquitoes don't just bite you, they also pee on you.
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A group of pugs is called a grumble.
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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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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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Dire wolves actually existed, living up to 10,000 years ago before going extinct.
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In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
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A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
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