Although originating solely from Australia, there are several colonies of the small jumping creature that now live happily in the wild in Britain.
Hard as sheep
Even though they are used to much warmer temperatures in Australia, they have survived in the wild in Britain because they are able to withstand the cooler weather.
Peter Litherland, head-keeper at the Welsh Mountain Zoo, described the animals "as hardy as sheep".
So if you're in the Cardiff area keep your eyes peeled.