Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
Denmark has twice as many pigs as there are people.
66
Only 3% of bird species have penises.
0
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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