Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
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Ants tend to survive in a microwave because they find the coolest spot and wait!
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When you shave a guinea pig it looks like a little hippo.
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Dogs have been man's pet for over 14,000 years.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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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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Penguins have a gland above their eye that turns saltwater into freshwater.
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