Accentors (Prunellidae)
Albatrosses (Diomedeidae)
Taxonomic change Latest: AviList 2025
Anhinga and Darters (Anhingidae)
Taxonomic change Latest: AviList 2025
Antpittas (Grallariidae)
Taxonomic change Latest: AviList 2025
Australasian Babblers (Pomatostomidae)
Australasian Bellbirds (Oreoicidae)
Taxonomic change Latest: AviList 2025
Australasian Robins (Petroicidae)
Taxonomic change Latest: AviList 2025
Australasian Treecreepers (Climacteridae)
Bay Owls and Barn Owls (Tytonidae)
Taxonomic change Latest: AviList 2025
Bee-eaters (Meropidae)
Birds-of-paradise (Paradisaeidae)
Taxonomic change Latest: HANZAB 2023
Boatbills (Machaerirhynchidae)
Taxonomic change Latest: HANZAB 2023
Boobies and Gannets (Sulidae)
Taxonomic change Latest: AviList 2025
Bowerbirds (Ptilonorhynchidae)
Taxonomic change Latest: AviList 2025
Bristlebirds (Dasyornithidae)
Taxonomic change Latest: AviList 2025
Bulbuls (Pycnonotidae)
Bush Warblers and Allies (Cettiidae)
Taxonomic change Latest: AviList 2025
Bustards (Otididae)
Taxonomic change Latest: HANZAB 2023
Buttonquail (Turnicidae)
Taxonomic change Latest: HANZAB 2023
Cassowaries (Casuariidae)
(Family not recognised in current HANZAB taxonomy – see Taxonomic changes)
Taxonomic change Latest: HANZAB 2023
Chats, Old World Flycatchers, and Allies (Muscicapidae)
Taxonomic change Latest: AviList 2025
Cisticolas and Allies (Cisticolidae)
Taxonomic change Latest: AviList 2025
Cockatoos (Cacatuidae)
Taxonomic change Latest: AviList 2025
Cormorants and Shags (Phalacrocoracidae)
Taxonomic change Latest: AviList 2025
Coucals, ground-cuckoos and couas (Centropodidae)
(Family not recognised in current HANZAB taxonomy – see Taxonomic changes)
Taxonomic change Latest: HANZAB 2023
Coursers and Pratincoles (Glareolidae)
Cranes (Gruidae)
Crows, Jays and Magpies (Corvidae)
Taxonomic change Latest: AviList 2025
Cuckoos (Cuculidae)
Taxonomic change Latest: HANZAB 2023
Cuckooshrikes (Campephagidae)
Taxonomic change Latest: AviList 2025
Albatrosses (Diomedeidae)
Taxonomic change Latest: AviList 2025
Anhinga and Darters (Anhingidae)
Taxonomic change Latest: AviList 2025
Antpittas (Grallariidae)
Taxonomic change Latest: AviList 2025
Australasian Babblers (Pomatostomidae)
Australasian Bellbirds (Oreoicidae)
Taxonomic change Latest: AviList 2025
Australasian Robins (Petroicidae)
Taxonomic change Latest: AviList 2025
Australasian Treecreepers (Climacteridae)
Bay Owls and Barn Owls (Tytonidae)
Taxonomic change Latest: AviList 2025
Bee-eaters (Meropidae)
Birds-of-paradise (Paradisaeidae)
Taxonomic change Latest: HANZAB 2023
Boatbills (Machaerirhynchidae)
Taxonomic change Latest: HANZAB 2023
Boobies and Gannets (Sulidae)
Taxonomic change Latest: AviList 2025
Bowerbirds (Ptilonorhynchidae)
Taxonomic change Latest: AviList 2025
Bristlebirds (Dasyornithidae)
Taxonomic change Latest: AviList 2025
Bulbuls (Pycnonotidae)
Bush Warblers and Allies (Cettiidae)
Taxonomic change Latest: AviList 2025
Bustards (Otididae)
Taxonomic change Latest: HANZAB 2023
Buttonquail (Turnicidae)
Taxonomic change Latest: HANZAB 2023
Cassowaries (Casuariidae)
(Family not recognised in current HANZAB taxonomy – see Taxonomic changes)
Taxonomic change Latest: HANZAB 2023
Chats, Old World Flycatchers, and Allies (Muscicapidae)
Taxonomic change Latest: AviList 2025
Cisticolas and Allies (Cisticolidae)
Taxonomic change Latest: AviList 2025
Cockatoos (Cacatuidae)
Taxonomic change Latest: AviList 2025
Cormorants and Shags (Phalacrocoracidae)
Taxonomic change Latest: AviList 2025
Coucals, ground-cuckoos and couas (Centropodidae)
(Family not recognised in current HANZAB taxonomy – see Taxonomic changes)
Taxonomic change Latest: HANZAB 2023
Coursers and Pratincoles (Glareolidae)
Cranes (Gruidae)
Crows, Jays and Magpies (Corvidae)
Taxonomic change Latest: AviList 2025
Cuckoos (Cuculidae)
Taxonomic change Latest: HANZAB 2023
Cuckooshrikes (Campephagidae)
Taxonomic change Latest: AviList 2025