A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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Mosquitoes don't just bite you, they also pee on you.
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An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
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In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
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