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: Podargidae – Frogmouths (Part 4 to Part 1)

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)

13 Charadriiformes families (Part 2 to Part 3)

Family: Phaethontidae – Tropicbirds  (Part 1 to Part 3)

Family: Oceanitidae – Austral Storm Petrels (Part 1 to Part 3)

Family: Hydrobatidae – Northern Storm Petrels (Part 1 to Part 3)

Family: Procellariidae – Petrels, Shearwaters, Diving Petrels (Part 1 to Part 3)

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

Family: Fregatidae – Frigatebirds (Part 1 to Part 3)

Family: Sulidae – Gannets, Boobies (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

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274/156F    Spoon-billed Sandpiper

has had its species epithet amended. Its scientific name is now:

Calidris pygmaea

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371/298E    Indochinese Roller    Coracias affinis    (e Nepal, ne Bihar, n, e NE)

has been split from:

371/2981    Indian Roller    Coracias benghalensis

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450/3683    Barbary Falcon    Falco pelegrinoides    (nw Indian Subcontinent)

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

450/3682    Peregrine Falcon    Falco peregrinus

 

2018 edition -> 2019 edition     IOC bird list v 7.3 -> IOC bird list v 8.2

The following family has a modified English name:

Family: Procellariidae – Petrels, Shearwaters, Diving Petrels

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The subspecies of the following two species of Drongo-Cuckoo have been reassessed:

315/2165    Square-tailed Drongo-Cuckoo    Surniculus lugubris

315/2166    Fork-tailed Drongo-Cuckoo    Surniculus dicruroides

The birds that breed in central and eastern north-east India and south-east Bangladesh, earlier thought to be subspecies dicruroides of Fork-tailed Drongo-Cuckoo, have now been ascribed to subspecies brachyurus of Square-tailed Drongo-Cuckoo. Further, the birds that breed in the high Himalayas of north central and north-east India are now considered to be subspecies of Square-tailed Drongo-Cuckoo, with dicruroides Fork-tailed Drongo-Cuckoo confined to the Himalayan foothills.

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323/234Y    Forest Owlet    (wc India)

has been ascribed to a different genus:

323/234Y    Forest Owlet    Athene blewitti

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444/3512    Brown-fronted Woodpecker    Dendrocoptes auriceps

The eastwards extension of this species’ range is now restricted to c Nepal (formerly the species was locally present in e Nepal). Hence in the North Central region list, this species’ range has been amended to:

(w, c Himalayas)