It's no secret that animals occasionally get high and drunk off the many vices nature has to offer. However, intentionally doing so has always seemed a strictly human affair. Now more and more evidence is piling up that suggests wild animals enjoy a good buzz as much as the next guy, and may even have their fair share of junkies - an idea that experts are now fiercely debating.
Wallabies are only natively found in one continent in all the world: Australia. And even as some wallaby species are disappearing from Down Under, others are just being discovered. Such is the case for the common short-eared rock-wallaby (Petrogale brachyotis), which may actually be two distinct species.