Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
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It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
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The cat brain weighs about 30g.
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When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
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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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Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
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