Here are 10 of the happiest animals on Earth and where you can find them ... It turns out that there is no scientific proof that a quokka is actually happy, but they do have a very friendly ...

With its beady eyes and chubby face, the quokka, a type of small kangaroo, is referred to as “the world’s happiest animal” because its mouth often curves in the shape of a smile. The Saitama ...