Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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Sheep, goats, octopuses, and toads have rectangular pupils.
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Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
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It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Ants tend to survive in a microwave because they find the coolest spot and wait!
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Dolphins have names for one another.
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