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  1. Mysticete

    Convergence of IOC, Clements and BirdLife Taxonomies?

    To be fair...I have heard Western and Glaucous-winged suggested as future lumps. Personally, I just don't think I get exactly where you are coming from, so I might be abandoning this side track in this thread on Thayer's Gull. IMHO I thought the proposal did a good job of laying out the...
  2. Mysticete

    Convergence of IOC, Clements and BirdLife Taxonomies?

    Did you also look at the proposal that the comments are replying to? I feel that contains some of the questions you are asking about.
  3. Mysticete

    Convergence of IOC, Clements and BirdLife Taxonomies?

    Good news Jon...NACC (and SACC, the South American committee), fully publish there proposals, votes, and reasonings. The proposal for the Thayer's lump and votes can be found here: https://americanornithology.org/about/committees/nacc/current-prior-proposals/2017-proposals/ Long story short...
  4. Mysticete

    Convergence of IOC, Clements and BirdLife Taxonomies?

    The NACC is a committee in charge of the checklist for North America, and is part of the American Society of Ornithologists, the professional organization for Ornithologists. They are in charge of making annual updates to the official list of birds of this region, and handle not just "splits and...
  5. Mysticete

    Convergence of IOC, Clements and BirdLife Taxonomies?

    As a specific example of what I am talking about, there is the Spruce-Franklin's Grouse split. This split is not accepted by either Clements, IOC, or NACC. We learned through the NACC bird proposal that was submitted last year that the WGAC voted to accept this split. In fact that was the entire...
  6. Mysticete

    Convergence of IOC, Clements and BirdLife Taxonomies?

    IOC has clearly been implementing WGAC related changes for at least the last year, if you go through the updates. And Clements/ebird has stated that the 2022 update would be heavily based on these reconciliation. What I find intriguing is that, according to the progress the working group has...
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