On this page you can view how the first release of the AviList impacted on the contents of this ATWB eBook.

To see how earlier updates to the IOC bird list impacted on the contents of this eBook, click here.

 

2025 edition -> 2026 edition     IOC bird list v 14.2 -> AviList v2025

Non-Passerine Orders have been resequenced. Within some Orders, there has also been a resequencing of families.

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The following families have been moved from elsewhere in the IOC bird list to Part 1 of the AviList:

Family: Phoenicopteridae – Flamingos from Part 2

Family: Podicipedidae – Grebes from Part 2

Family: Musophagidae – Turacos from Part 2

Family: Otididae – Bustards from Part 2

Family: Cuculidae – Cuckoos from Part 2

Family: Mesitornithidae – Mesites from Part 2

Family: Pteroclidae – Sandgrouse from Part 2

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The following families have been moved from Part 1 of the IOC bird list to elsewhere in the AviList:

Family: Caprimulgidae – Nightjars and Nighthawks to Part 3

Family: Steatornithidae – Oilbird to Part 3

Family: Nyctibiidae – Potoos to Part 3

Family: Podargidae – Frogmouths to Part 3

Family: Aegothelidae – Owlet-nightjars to Part 3

Family: Hemiprocnidae – Treeswifts to Part 3

Family: Apodidae – Swifts to Part 3

Family: Trochilidae – Hummingbirds to Part 3

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The two species in Family: Struthionidae – Ostriches have been resequenced.

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Family: Casuariidae – Emu and Cassowaries has a new English name

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The two genera in Family: Casuariidae – Emu and Cassowaries have been resequenced.

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The species in Family: Apterygidae – Kiwis have been resequenced.

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The two species in Family: Rheidae – Rheas have been resequenced.

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The species in Family: Tinamidae – Tinamous have been resequenced.

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Family: Anatidae – Ducks, Swans, and Geese has a new English name.

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The species in Family: Anatidae – Ducks, Swans, and Geese have been resequenced.

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042/0231    Andean Duck

has been lumped with and is now represented by two subspecies of:

042/0230    Ruddy Duck     Oxyura jamaicensis

…………………………………………………………………….

042/0196    Green-winged Teal

has been lumped with and is now represented by a subspecies of:

042/0195    Eurasian Teal

which has a new English name:

042/0195    Green-winged Teal    Anas crecca

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Family: Megapodiidae – Megapodes has been partially resequenced.

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Family: Cracidae – Guans, Curassows, and Chachalacas has a new English name.

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The species in Family: Cracidae – Guans, Curassows, and Chachalacas have been resequenced.

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The species in Family: Numididae – Guineafowl have been resequenced.

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The species in Family: Odontophoridae – New World Quail have been resequenced.

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Family: Phasianidae – Partridges, Pheasants, Grouse, and Allies has a new English name.

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Family: Phasianidae – Partridges, Pheasants, Grouse, and Allies has been partially resequenced.

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065/0429    Manipur Bush Quail    Perdicula manipurensis

(ne India, ne Bangladesh)

is annotated as possibly extinct in the AviList and has been removed.

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065/042Y    Rubeho Forest Partridge

has been lumped with and is now represented by a subspecies of:

065/042F    Udzungwa Forest Partridge    Xenoperdix udzungwensis

…………………………………………………………………….

065/043F    Siamese Partridge

has been lumped with and is now represented by a subspecies of:

065/0439    Chestnut-headed Partridge    Arborophila cambodiana

…………………………………………………………………….

065/0488    Bronze-tailed Peacock-Pheasant

has a new English name:

065/0488    Sumatran Peacock-Pheasant    Polyplectron chalcurum

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The species in Family: Phoenicopteridae – Flamingos have been resequenced.

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Family: Podicipedidae – Grebes has been partially resequenced.

…………………………………………………………………….

099/0661    Tricolored Grebe

has been lumped with and is now represented by three subspecies of:

099/0660    Little Grebe    Tachybaptus ruficollis

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Family: Musophagidae – Turacos has been partially resequenced.

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Family: Otididae – Bustards has been partially resequenced.

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Family: Cuculidae – Cuckoos has been partially resequenced.

…………………………………………………………………….

315/209E    Kai Coucal

has been lumped with and is now represented by a subspecies of:

315/2095    Pheasant Coucal    Centropus phasianinus

…………………………………………………………………….

315/212E    Mexican Squirrel Cuckoo    Piaya mexicana

(wc, sw, coastal south-west sc Mexico)

has been split from:

315/2124    Squirrel Cuckoo

which has a new English name:

315/2124    Common Squirrel Cuckoo    Piaya cayana

…………………………………………………………………….

315/2140    Pacific Long-tailed Cuckoo

has a new English name:

315/2140    Long-tailed Koel    Urodynamis taitensis

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The species in Family: Mesitornithidae – Mesites have been resequenced.

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Family: Pteroclidae – Sandgrouse has been partially resequenced.

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