Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Cats recognise the voice of their owner, but never evolved to care.
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In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
Mosquitoes don't just bite you, they also pee on you.
11
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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