This page on birds of Australia seeks to show some of them that can easily be seen around cities. The tiny few birds presented here were observed during a brief visit to the Royal Botanic Garden in Sydney.
For bird  lovers, here are a few websites about birds in Australia:

At the present time, only three species are shown on this website for Birds of the World:

AUSTRALIAN WHITE IBIS (Threskiomis moluccus)
DUSKY MOORHEN (Gallinula tenebrosa)
MASKED LAPWING (Vanellus miles)