Dolphins have names for one another.
18
Female kangaroos have three vaginas.
2
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Denmark has twice as many pigs as there are people.
66