 Introduced birds such as the house sparrow, common myna and feral pigeon are ubiquitous in the CBD areas of Sydney.Moreover, possums, bandicoots, rabbits, feral cats, lizards, snakes and frogs may also be present in the urban environment, albeit seldom in city centers.The extensive area covered by urban Sydney is formally divided into more than 300 suburbs for addressing and postal purposes, and administered as 38 local government areas.