Quokka - "the happiest animal in the world" Mystery Cache

The Quokka is often referred to as "the happiest animal in the world", by humans. They are very friendly and are a big tourist attraction. Also known as the short-tailed scrub wallaby, its a small macropod about the size of a domestic cat and is native to Western Australia. It is the only member of the genus Setonix. Like other marsupials in the macropod family, the quokka is herbivorous and mainly nocturnal.