The Bird Finder allows you to search, browse or find information about individual Australian birds.
The Australian Bird Identification (ABID) group exists purely for solving questions of identification of Australian birds.
Bird Photography Australia Some great examples of photography of native birds.
Victorian Birders Very friendly group of Victorian birders that exchange advice and tips, as well as have the occasional group trip. This group has helped me so much.
Pacific gull: New Zealand Birds Online: Has a downloadable extract from HANZAB which describes the plumage of immature birds