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

 

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

[Note: In v14.2 of the IOC bird list, birds that are regularly present along the Pacific coast of Central America and Colombia were incorrectly shown as being of species 142/0845  Brown Booby. This is the subspecies etesiaca, which should have been ascribed to species 142/084E  Cocos Booby. The error was corrected in v15.1 of the IOC bird list. However, in view of the significance of this error for the distribution of the newly-split species, that error was acknowledged and corrected in the 2025 edition of this eBook. Hence, that correction in v15.1 did not impact upon the content of this eBook.]

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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: Podicipedidae – Grebes (Part 2 to Part 1)

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

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

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

Family: Nyctibiidae – Potoos (Part 1 to Part 3)

Family: Apodidae – Swifts (Part 1 to Part 3)

Family: Trochilidae – Hummingbirds (Part 1 to Part 3)

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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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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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315/2124    Squirrel Cuckoo

has a new English name:

315/2124    Common Squirrel Cuckoo    Piaya cayana

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

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The species in Family: Columbidae – Doves and Pigeons have been resequenced.

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

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The species in Family: Rallidae – Rails, Gallinules, and Coots have been resequenced.

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Family: Burhinidae – Thick-knees and Stone-curlews 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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286/1652    Cabot’s Tern

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

286/1651    Sandwich Tern    Thalasseus sandvicensis

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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: Anhingidae – Anhinga and Darters has a modified English name.

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

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Family: Threskiornithidae – Ibises and Spoonbills has a modified English name.

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The species in Family: Threskiornithidae – Ibises and Spoonbills have been resequenced.

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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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The species in Family: Caprimulgidae – Nightjars and Nighthawks have been resequenced.

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Family: Nyctibiidae – Potoos has been partially resequenced.

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The species in Family: Apodidae – Swifts have been resequenced.

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Family: Trochilidae – Hummingbirds has been partially resequenced.

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355/278F    Grey-tailed Mountaingem

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

355/2789    White-throated Mountaingem    Lampornis castaneoventris

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

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Family: Strigidae – Owls has been partially resequenced.

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Family: Cathartidae – New World Vultures has been moved from Order Accipitriformes to new order Cathartiformes.

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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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The species in Family: Accipitridae – Kites, Old World Vultures, Eagles, and Hawks have been resequenced.

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363/294K    Northern Black-throated Trogon

has a new English name:

363/294K    Graceful Black-throated Trogon    Trogon tenellus

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Family: Momotidae – Motmots has been partially resequenced.

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The species in Family: Alcedinidae – Kingfishers have been resequenced.

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Family: Galbulidae – Jacamars has been moved from Order Piciformes to new order Galbuliformes.

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Family: Galbulidae – Jacamars has been partially resequenced.

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Family: Bucconidae – Puffbirds has been moved from Order Piciformes to new order Galbuliformes.

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The species in Family: Bucconidae – Puffbirds have been resequenced.

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Family: Semnornithidae – Prong-billed Barbet and Toucan Barbet has a new English name.

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The species in Family: Ramphastidae – Toucans have been resequenced.

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427/3303    Blue-throated Toucanet

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

427/3302    Emerald Toucanet

which has a new English name:

427/3302    Northern Emerald Toucanet    Aulacorhynchus prasinus

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The species in Family: Picidae – Woodpeckers have been resequenced.

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

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The species in Family: Falconidae – Falcons and Caracaras have been resequenced.

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The following species has been ascribed to a different genus:

450/3638    Yellow-headed Caracara    Daptrius chimachima

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Family: Psittacidae – African and New World Parrots has a modified English name.

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The species in Family: Psittacidae – African and New World Parrots have been resequenced.

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Within Order PASSERIFORMES there has been a resequencing of some 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: Pipridae – Manakins (Part 7 to Part 6)

Family: Cotingidae – Cotingas (Part 7 to Part 6)

Family: Tityridae – Tityras, Becards, and Allies (Part 7 to Part 6)

Family: Vireonidae – Shrike-babblers, Erpornis, and Vireos (Part 8 to Part 7)

Family: Bombycillidae – Waxwings (Part 8 to Part 10)

Family: Ptiliogonatidae – Silky-flycatchers (Part 8 to Part 10)

Family: Cinclidae – Dippers (Part 11 to Part 10)

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Family: Pipridae – Manakins has been partially resequenced.

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The species in Family: Cotingidae – Cotingas have been resequenced.

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Family: Tityridae – Tityras, Becards, and Allies has a new English name.

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The species in Family: Tityridae – Tityras, Becards, and Allies have been resequenced.

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521/5180    Sharpbill    Oxyruncus cristatus

has been moved from:

Family: Tityridae – Tityras, Becards, and Allies  (identifier number ‘523’)

to new monotypic family:

Family: Oxyruncidae – Sharpbill  (identifier number ‘521’)

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The species in genera Onychorhynchus, Terenotriccus and Myiobius

have been moved from:

Family: Tityridae – Tityras, Becards, and Allies  (identifier number ‘523’)

to new family:

Family: Onychorhynchidae – Royal Flycatchers and Allies  (identifier number ‘522’)

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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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511/4810    Olive-streaked Flycatcher

has a new English name:

511/4810    Olive-striped Flycatcher    Mionectes olivaceus

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511/476E    Northern Mouse-colored Tyrannulet

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

511/4760    Southern Mouse-colored Tyrannulet

which has a new English name:

511/4760    Mouse-colored Tyrannulet    Nesotriccus murinus

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Family Thamnophilidae – Antbirds, Antshrikes, Antwrens, and Antvireos has a new English name.

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The species in Family Thamnophilidae – Antbirds, Antshrikes, Antwrens, and Antvireos have been resequenced.

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The species in Family: Grallariidae – Antpittas have been resequenced.

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Family Furnariidae – Ovenbirds and Woodcreepers has a new English name.

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Family Furnariidae – Ovenbirds and Woodcreepers has been partially resequenced.

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483/429T    Little Long-tailed Woodcreeper

has a new English name:

483/429T    Piping Long-tailed Woodcreeper    Deconychura typica

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Family: Vireonidae – Shrike-babblers, Erpornis, and Vireos has a new English name.

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The species in Family: Vireonidae – Shrike-babblers, Erpornis, and Vireos have been resequenced.

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664/5953    Tawny-crowned Greenlet

has a new English name:

664/5953    Ochre-crowned Greenlet    Tunchiornis ochraceiceps

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Family: Corvidae – Crows, Jays, and Magpies has a new English name.

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The species in Family: Corvidae – Crows, Jays, and Magpies have been resequenced.

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Family: Hirundinidae – Swallows has a new English name.

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Family: Hirundinidae – Swallows has been partially resequenced.

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Family: Polioptilidae – Gnatwrens and Gnatcatchers has a new English name.

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Family: Polioptilidae – Gnatwrens and Gnatcatchers has been partially resequenced.

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The species in Family: Troglodytidae – Wrens have been resequenced.

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

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Family: Turdidae – Thrushes and Allies has a new English name.

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The species in Family: Turdidae – Thrushes and Allies have been resequenced.

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Family: Fringillidae – Finches, Euphonias, and Allies has a new English name.

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The species in Family: Fringillidae – Finches, Euphonias, and Allies have been resequenced.

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Family: Passerellidae – New World Sparrows has been partially resequenced.

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

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Monotypic Family: Icteriidae – Yellow-breasted Chat has been embedded within Family: Icteridae – New World Blackbirds, Troupials, and Allies.

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The species in Family: Icteridae – New World Blackbirds, Troupials, and Allies have been resequenced.

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973/9302    Scarlet-rumped Cacique

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

973/9302    Subtropical Cacique

which has a new English name:

973/9302    Scarlet-rumped Cacique    Cacicus uropygialis

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Family: Parulidae – New World Warblers has been partially resequenced.

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965/917F    Chiriqui Yellowthroat

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

965/9184    Olive-crowned Yellowthroat    Geothlypis semiflava

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965/9209    Myrtle Warbler

has a new English name:

965/9209    Yellow-rumped Warbler    Setophaga coronata

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Family: Cardinalidae – Cardinals and Allies has a modified English name.

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The species in Family: Cardinalidae – Cardinals and Allies have been resequenced.

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993/9871    Tooth-billed Tanager

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

993/9872    Red Tanager

which has a new English name:

993/9872    Hepatic Tanager    Piranga flava

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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.