On January 22 2022 the International Ornithological Congress (IOC) released the latest version of its world bird list (v12.1):

Gill F, D Donsker & P Rasmussen  (Eds). 2022. IOC World Bird List (v12.1). doi :  10.14344/IOC.ML.12.1.

The IOC bird list is hosted on a dedicated World Bird Names website, which provides access to the list in various different formats. The list is updated twice a year, in January and July.

The details of the changes in the v12.1 release can be found by clicking on the Updates tab on the IOC website. Here is a summary of the major amendments:

Splits

Scleroptila Francolins  +1 species

Otus Scops Owls  +1

Cittura Kingfishers  +1

Halcyon Kingfishers  +1

Merops Bee-eaters  +1

Chrysocolaptes Woodpeckers (Flamebacks)  +1

Tanygnathus Parrots  +1

Euscarthmus Tyrant Flycatchers (Tyrants)  +1

Amblyornis Bowerbirds  +1

Myzomela Honeyeaters (Myzomelas)  +1

Symposiachrus Monarchs  +1

Phylloscopus Leaf Warblers  +1

Cincloramphus Thicketbirds  +1

Cinnyris Sunbirds  +1

Ploceus Weavers  +1

Taeniopygia ‘Estrildidae’ Finches  +1

Carpodacus Rosefinches  +1

Emberiza Buntings  +1

Lumps

Lichmera Honeyeaters  -1  [Indonesian Honeyeater]

Prunella Accentors  -1  [Arabian Accentor]

Revision and resequencing of families

Family: Leptosomidae – Cuckoo-roller has a modified English name.

Crested Jay has been renamed Crested Jayshrike and moved to new monotypic
Family: Platylophidae – Jayshrike

Family: Aegithalidae – Bushtits has been resequenced.

In the IOC bird list there are now 10928 extant species (net +16) ascribed to 252 families.

All the v12.1 changes will be reflected in the 2023 editions of the ATWB Companion Guides. These editions will be released commencing August 2022, after publication of the next version (v12.2) of the IOC bird list.

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Some details …

Each of the ATWB 2022 Companion Guides has a number of important features, including:

– A complete taxonomic listing of bird species

– An indication of where each bird family and species can be found in its native state

– Spotlighted species that have a restricted regional or worldwide range

However, perhaps the key feature of all eBooks in the Companion Guide series is the way you can quickly and simply access relevant, up to date online information about every featured bird species. If your reading device is connected to the internet, a single click will take you to a search results page for a species, from where you can continue to search for additional information to whatever level of detail you desire.

The ‘All the World’s Birds’ series of Companion Guides derives its taxonomy, English names and scientific names from The IOC World Bird List, an open access resource maintained by the International Ornithological Congress (IOC). The IOC bird list is hosted on a dedicated World Bird Names website, which provides access to the list in various different formats.

The version of the IOC bird list used in the ‘All the World’s Birds 2022’ series of Companion Guides is Version 11.2, published July 10 2021.

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