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By Mary Mwendwa
Nairobi, Kenya: The first-ever unified global checklist of bird species, AviList, is now live.
AviList provides a standardized taxonomy for birds worldwide, including 11,131 species, 19,879 subspecies, 2,376 genera, 252 families, and 46 orders, offering scientists and conservationists unprecedented clarity on avian biodiversity and conservation priorities.
For the first time, researchers, birders, and policymakers have a single, authoritative reference to streamline conservation efforts, data sharing, and ecological research.
Dr. Stuart Butchart, Chief Scientist at BirdLife International, said:
“A unified global checklist removes confusion caused by competing taxonomies. It ensures birders, scientists, and policymakers share a common understanding of species distribution, ecology, and conservation needs.”
A Four-Year Collaboration
Until now, ornithologists relied on multiple checklists with differing classifications. AviList resolves these discrepancies through four years of work by the Working Group on Avian Checklists, comprising experts from BirdLife International, Cornell Lab of Ornithology, American Ornithologists’ Society, International Ornithologists’ Union, and Avibase.
Dr. Paul Donald, BirdLife’s representative on AviList, added:
“With hundreds of taxonomic differences to reconcile, this was a monumental task. AviList provides a fresh perspective on avian diversity and will serve as the global standard for decades.”
A Boost for Global Conservation
BirdLife International will transition to AviList in the coming years, ensuring alignment with the IUCN Red List, eBird, and Birds of the World. This harmonization will enhance conservation planning, data accuracy, and policy decisions.
Marshall Iliff, AviList team member and eBird project leader at Cornell Lab, emphasized:
“To protect birds globally, we must all speak the same language—AviList* ensures data consistency across platforms.”*
Free and Accessible to All
The full checklist is available for free download at www.avilist.org, in both .xlsx and .csv formats, with a condensed version for quick reference.
The launch of AviList marks a historic milestone in ornithology, uniting the world behind a shared vision for bird conservation.
