"Wisdom begins with putting the right name on a thing"
(Old Chinese Proverb)

Master List

Downloadable files  of the IOC World Bird List include the following:

See IOC Lists above for Comparison Files, and help using the filters on the Life List Enhanced Format

We Update the list regularly with advances in taxonomy of world birds. Significant Updates  are noted under “Comments” that include citations to References.

The web pages of  the IOC World Bird List are subdivided primarily by Order(s) and by sets of related families for Passeriformes. Please use the links below to get to the appropriate page, and then use the edit/find tool on your browser to locate a particular species on a page, as needed.

Separate pages (Family Index, Family Links) provide the current sequence of Orders and Families with links to the correct webpage.  See also notes on the  Family Classification of World Birds.