The Western Treatment Plant provides a haven for tens of thousands of birds and is recognised as one of the world's most significant wetlands.

The Western Treatment Plant supports large numbers and groups of waterfowl and several species of waders and ducks.

Within the Western Treatment Plants is Lake Borrie, the most significant wetland in Victoria for migratory shorebirds. Migratory birds travel to Lake Borrie from as far as Alaska, Siberia, China and Japan, doubling their body weight on the abundant food over Summer before heading back overseas.

Note: Access to Melbourne Water's Western Treatment Plant for bird watching or fishing is by permit only. Applications can be obtained by telephoning Melbourne Water's Enquiry Centre on 131 722 between 8am and 5:30pm Monday to Friday.

The Point Cook Coastal Park and Cheetham Wetlands rank among the top places in the world for migratory wading birds

Over 250 fauna species have been recorded at Point Cook Coastal Park. During the Victorian summer, visiting migratory birds move between the wetlands and saltmarsh at Point Cook, the beach sand flats and Cheetham Wetlands, depending on the tides. The endangered Orange-bellied Parrot is known to feed in the saltmarsh at Point Cook. The Double-banded Plover flies from New Zealand to spend the winter in Australia, and the Eastern Golden Plover migrates here from Siberia and Alaska.

The Werribee River is also a great location for bird watching.