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 a part of the IOC bird list to a different part of the AviList:

Family: Phoenicopteridae – Flamingos (Part 2 to Part 1)

Family: Podicipedidae – Grebes (Part 2 to Part 1)

Family: Cuculidae – Cuckoos (Part 2 to Part 1)

6 families within Order CHARADRIIFORMES (Part 3 to Part 2)

Family: Caprimulgidae – Nightjars and Nighthawks (Part 1 to Part 3)

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

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Family: Columbidae – Doves and Pigeons has a new English name.

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Family: Rallidae – Rails, Gallinules, and Coots has a new English name.

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Family: Recurvirostridae – Stilts and Avocets has a modified English name.

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Family: Charadriidae – Plovers and Lapwings has a new English name.

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Family: Scolopacidae – Sandpipers and Allies has a new English name.

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Family: Scolopacidae – Sandpipers and Allies has been partially resequenced.

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Family: Stercorariidae – Jaegers and Skuas has a new English name.

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Family: Laridae – Skimmers, Noddies, Terns, and Gulls has a new English name.

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Family: Laridae – Skimmers, Noddies, Terns, and Gulls has been partially resequenced.

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Family: Oceanitidae – Southern Storm Petrels has a new English name.

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The species in Family: Hydrobatidae – Northern Storm Petrels have been resequenced.

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Family: Petrels, Shearwaters, and Diving Petrels has a modified English name.

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The species in Family: Petrels, Shearwaters, and Diving Petrels have been resequenced.

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Family: Sulidae – Boobies and Gannets has a new English name.

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Family: Phalacrocoracidae – Cormorants and Shags has a modified English name.

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Family: Ardeidae – Herons, Egrets, and Bitterns has a new English name.

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Family: Ardeidae – Herons, Egrets, and Bitterns has been partially resequenced.

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Family: Caprimulgidae – Nightjars and Nighthawks has a new English name.

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Family: Tytonidae – Bay Owls and Barn Owls has a new English name.

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Family: Pandionidae – Osprey has a modified English name.

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Family: Accipitridae – Kites, Old World Vultures, Eagles, and Hawks has a new English name.

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Family: Falconidae – Falcons and Caracaras has a new English name.

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Family: Tyrannidae – Tyrant Flycatchers and Allies has a new English name.

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The species in Family: Tyrannidae – Tyrant Flycatchers and Allies have been resequenced.

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511/493T    Darwin’s Flycatcher

has been lumped with extinct species San Cristobal Flycatcher to form species:

511/493T    Brujo Flycatcher    Pyrocephalus nanus

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Family: Hirundinidae – Swallows has a new English name.

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Family: Mimidae – Mockingbirds and Thrashers has a modified English name.

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Family: Icteridae – New World Blackbirds, Troupials, and Allies has a new English name.

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Family: Thraupidae – Tanagers and Allies has a modified English name.

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The species in Family: Thraupidae – Tanagers and Allies have been resequenced.