AviList: A Unified Global Checklist of the World’s Birds

AviList: A Unified Global Checklist of the World’s Birds is Now Available

We are excited to announce the launch of AviList: The Global Avian Checklist, a freely available, consensus taxonomy of all birds of the world. AviList integrates three major checklists:

  • IOC World Bird List,
  • eBird/Clements, and
  • BirdLife International,

and provides key taxonomic and nomenclatural information. The first version was launched on 10 June 2025 and will be updated annually.

AviList is the result of a collaborative global effort supported by the International Ornithologists’ Union, Cornell Laboratory of Ornithology, BirdLife International, Avibase, and the American Ornithological Society.

For more information, visit: www.avilist.org

 

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