In western Australian residential neighborhoods, critically endangered marsupials have made themselves at home in private gardens. These urban environments act as a much-needed refuge, as their habitats have been reduced by human activity and natural predators.

Western ringtail possums ( Pseudocheirus occidentalis ) are nocturnal, cat-sized creatures that live in trees and shrubs and eat leaves and fruit. They once ranged over much of south-western Australia, but habitat loss and predation by invasive red foxes have dramatically reduced their range to three …