On this page you can view how changes to the IOC bird list have impacted on the contents of this ATWB eBook since its first annual edition.

The contents of this eBook have been incorporated into a compendium eBook. For the impact of IOC bird list updates from 2021 edition onwards, click here.

2019 edition -> 2020 edition     IOC bird list v 8.2 -> IOC bird list v 9.2

Non-Passerine Orders have been resequenced.

The following families have been moved to a different part of the IOC birdlist:

Family: Caprimulgidae – Nightjars (Part 4 to Part 1)

Family: Hemiprocnidae – Treeswifts (Part 4 to Part 1)

Family: Apodidae – Swifts (Part 4 to Part 1)

Family: Cuculidae – Cuckoos (Part 3 to Part 2)

Family: Pteroclidae – Sandgrouse (Part 3 to Part 2)

Family: Columbidae – Pigeons, Doves (Part 3 to Part 2)

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

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

10 Charadriiformes families (Part 2 to Part 3)

Family: Ciconiidae – Storks (Part 1 to Part 3)

Family: Phalacrocoracidae – Cormorants, Shags (Part 1 to Part 3)

Family: Anhingidae – Anhingas, Darters (Part 1 to Part 3)

Family: Threskiornithidae – Ibises, Spoonbills (Part 1 to Part 3)

Family: Ardeidae – Herons, Bitterns (Part 1 to Part 3)

Family: Pelecanidae – Pelicans (Part 1 to Part 3)

Family: Pandionidae – Ospreys (Part 2 to Part 4)

Family: Accipitridae – Kites, Hawks, Eagles (Part 2 to Part 4)

Family: Tytonidae – Barn Owls (Part 3 to Part 4)

Family: Strigidae – Owls (Part 3 to Part 4)

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The following families have modified English names:

Family: Phasianidae – Pheasants & Allies

Family: Anatidae – Ducks, Geese, Swans

Family: Rallidae – Rails, Crakes & Coots

Family: Laridae – Gulls, Terns, Skimmers

Family: Eurylaimidae – Typical Broadbills

Family: Vangidae – Vangas & Allies

Family: Artamidae – Woodswallows, Butcherbirds & Allies

Family: Vireonidae – Vireos, Greenlets, Shrike-babblers

Family: Oriolidae – Figbirds, Orioles, Turnagra

Family: Cettiidae – Cettia Bush Warblers & Allies

Family: Phylloscopidae – Leaf Warblers & Allies

Family: Acrocephalidae – Reed Warblers & Allies

Family: Locustellidae – Grassbirds & Allies

Family: Cisticolidae – Cisticolas & Allies

Family: Leiothrichidae – Laughingthrushes & Allies

Family: Estrildidae – Waxbills, Munias & Allies

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371/298E    Indochinese Roller    Coracias affinis    (Bihar)

has been split from:

371/2981    Indian Roller    Coracias benghalensis

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450/3683    Barbary Falcon    Falco pelegrinoides    (w NC)

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

450/3682    Peregrine Falcon    Falco peregrinus

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660/589F    Steppe Grey Shrike    Lanius pallidirostris

(winters/on passage nw NC)

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

660/5898    Great Grey Shrike    Lanius excubitor

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Family Leiothrichidae – Laughingthrushes & Allies has been revised and resequenced. As part of this review the following species have been ascribed to a new or different genus:

832/7408    Striated Laughingthrush    Grammatoptila striata

832/742Y    Bar-throated Minla    Actinodura strigula

832/734Y    Large Grey Babbler    Argya malcolmi

832/7348    Striated Babbler    Argya earlei

832/7346    Common Babbler    Argya caudata

832/7355    Jungle Babbler    Argya striata

832/7386    Spotted Laughingthrush    Ianthocincla ocellata

832/7381    Rufous-chinned Laughingthrush    Ianthocincla rufogularis

832/738Y    White-throated Laughingthrush    Pterorhinus albogularis

832/7392    Greater Necklaced Laughingthrush    Pterorhinus pectoralis

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840/756Y    Oriental White-eye

has a new English name:

840/756Y    Indian White-eye    Zosterops palpebrosus

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907/82F0    Himalayan Shortwing    Brachypteryx cruralis

(Himachal Pradesh)

has been split from:

907/8239    White-browed Shortwing    (Philippines, w, sc Indonesia)