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

…………………………………………………………………….

The species in Family: Tytonidae – Bay Owls and Barn Owls have been resequenced.

…………………………………………………………………….

319/2191    Lesser Sooty Owl

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

319/2190    Greater Sooty Owl

which has a new English name:

319/2190    Sooty Owl    Tyto tenebricosa

…………………………………………………………………….

319/2194    Moluccan Masked Owl

and

319/2195    Manus Masked Owl

have been lumped with and are now represented by three and one subspecies respectively of:

319/2197    Australian Masked Owl

which has a new English name:

319/2197    Australasian Masked Owl   Tyto novaehollandiae

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Family: Strigidae – Owls has been partially resequenced.

…………………………………………………………………….

323/2331    Pernambuco Pygmy Owl    Glaucidium mooreorum

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

…………………………………………………………………….

323/2237    Siau Scops Owl    Otus siaoensis

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

…………………………………………………………………….

323/2358    Sumba Boobook

has a new English name:

323/2358    Great Sumba Boobook    Ninox rudolfi

…………………………………………………………………….

323/2380    Least Boobook

has a new English name:

323/2380    Little Sumba Boobook    Ninox sumbaensis

…………………………………………………………………….

323/2323    Northern Pygmy Owl

323/2325    Baja Pygmy Owl

323/2326    Guatemalan Pygmy Owl

have been lumped with and are now each represented by one or more subspecies of:

323/2324    Mountain Pygmy Owl

which has a new English name:

323/2324    Northern Pygmy Owl    Glaucidium gnoma

…………………………………………………………………….

323/224F    Torotoroka Scops Owl

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

323/224Y    Rainforest Scops Owl

which has a new English name:

323/224Y    Madagascar Scops Owl    Otus rutilus

…………………………………………………………………….

323/222T    Annobon Scops Owl

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

323/222Y    African Scops Owl    Otus senegalensis

…………………………………………………………………….

323/229T    Maghreb Owl

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

323/229Y    Tawny Owl    Strix aluco

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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.

…………………………………………………………………….

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

…………………………………………………………………….

167/091F    Cuban Kite    Chondrohierax wilsonii

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

…………………………………………………………………….

The following species has been ascribed to a different genus:

167/0953    Congo Serpent Eagle    Circaetus spectabilis

…………………………………………………………………….

167/1003    Red-chested Goshawk

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

167/1004    African Goshawk    Aerospiza tachiro

…………………………………………………………………….

167/1032    White-breasted Hawk

167/1033    Plain-breasted Hawk

167/1034    Rufous-thighed Hawk

have been lumped with and are now each represented by a subspecies of:

167/1031    Sharp-shinned Hawk    Accipiter striatus

…………………………………………………………………….

167/1057    Yellow-billed Kite

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

167/1056    Black Kite    Milvus migrans

…………………………………………………………………….

167/1110    Cape Verde Buzzard

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

167/1112    Common Buzzard    Buteo buteo

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Genus Urocolius within Family: Coliidae – Mousebirds has been resequenced.

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Family: Trogonidae – Trogons has been partially resequenced.

…………………………………………………………………….

363/294K    Northern Black-throated Trogon

has a new English name:

363/294K    Graceful Black-throated Trogon    Trogon tenellus

…………………………………………………………………….

363/295E    Coppery-tailed Trogon    Trogon ambiguus

(w, ec Mexico, se Arizona)

has been split from:

363/2950    Elegant Trogon    Trogon elegans

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395/3151    African Hoopoe

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

395/3150    Eurasian Hoopoe

which has a new English name:

395/3150    Common Hoopoe    Upupa epops

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Family: Phoeniculidae – Wood Hoopoes and Scimitarbills has a new English name.

…………………………………………………………………….

The species in Family: Phoeniculidae – Wood Hoopoes and Scimitarbills have been resequenced.

…………………………………………………………………….

The following species has been ascribed to a different genus:

399/3156    Forest Wood Hoopoe    Rhinopomastus castaneiceps

…………………………………………………………………….

399/315Y    Grant’s Wood Hoopoe

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

399/315F    Violet Wood Hoopoe    Phoeniculus damarensis

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Family: Bucorvidae – Ground Hornbills has been embedded within Family: Bucerotidae – Hornbills.

…………………………………………………………………….

The species in Family: Bucerotidae – Hornbills have been resequenced.

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The species in Family: Brachypteraciidae – Ground Rollers have been resequenced.

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The species in Family: Coraciidae – Rollers have been resequenced.

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The species in genus Merops within Family: Meropidae – Bee-eaters have been resequenced.

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Family: Momotidae – Motmots has been partially resequenced.

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

…………………………………………………………………….

379/306T    Sangihe Dwarf Kingfisher    Ceyx sangirensis

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

…………………………………………………………………….

379/3053    Niau Kingfisher

has been lumped with extinct species Mangareva Kingfisher to form extant species:

379/305E    Tuamotu Kingfisher    Todiramphus gambieri