Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Female kangaroos have three vaginas.
2
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Domestic pigs average a top speed of about 11 miles per hour.
182
Cats recognise the voice of their owner, but never evolved to care.
22
Lobsters have blue blood.
476