A major new revision of the IOC World Checklist is now available as
free Excel file; it includes 33 new families, most of them long
anticipated, and covers some 10331 species, the first time the magic
10,000 barrier has been passed.
Australian and New Guinea common names are still out of sync with what
is actually used over here, but this is being addressed for the next
update. I can recommend this checklist as a useful and progressive
step on the long road to unravelling bird relationships
This is a first step towards aligning the IOC list of 10,331 world
bird species with published molecular phylogenies, especially those of
the last three years that feature strong taxonomic sampling and
multiple gene sequences. Some changes of sequence in the list were
essential, but we defer major sequence changes to allow time for
improved stability. Major features of realignment include:
1. Separation of 9 additional Orders, bringing the total
recognized to 42
2. Separation of 8 additional families of nonpasserine birds, and
25 families of passerine birds (4 suboscine, 21 oscine), bringing the
total number of families recognized to 226.
The IOC World Bird Names Website http://www.worldbirdnames.org/ has
been updated. List 2.0 contains 10,331 species classified in 42 Orders,
226 Families and 2199 Genera. This is a major update that includes
revisions of the family classification as well as species taxonomy.
the first step in aligning the world list with advances in understanding
the evolutionary relationships of birds based on the recent surge of DNA
studies. Among other changes, the list now includes revisions of the
World Warbler Families, and a resequencing of suboscine families to
with South American Checklist Committee classification. We invite you
explore the list, hope you find it useful and welcome your feedback.
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