The Basenji dog is the only dog that is not able to bark.
4
The head of a jellyfish is called the "Bell."
6
Female kangaroos have three vaginas.
2
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Dolphins have names for one another.
18
Early American humans hunted car-size armadillos and used their shells for houses.
12