The seahorse is the only fish to have a neck.
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Penguins have a gland above their eye that turns saltwater into freshwater.
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Dire wolves actually existed, living up to 10,000 years ago before going extinct.
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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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Squirrels forget where they hide about half of their nuts.
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If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
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