Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Sloths take two weeks to digest their food.
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The colossal squid has the largest eyes in the world.
4
A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
12
Bats sleep 18-20 hours per day.
5
Ants tend to survive in a microwave because they find the coolest spot and wait!
17
When you shave a guinea pig it looks like a little hippo.
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