Re: [cobirds] Re: Taxonomy Update - some interesting changes

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Jason Bidgood reacted via Gmail

On Wed, Nov 27, 2024 at 9:01 PM Peter Gent <gent@ucar.edu> wrote:

Jason,

You are absolutely correct. In its July 2024 taxonomy update, the American Ornithological Society did not split the Herring Gull and did not split the Accipiter genus.  In its October taxonomy update, both eBird and the Clements world bird list did split the Herring Gull into 4 separate species (American & European Herring Gull, Vega Gull and Mongolian Gull), and did split the Accipiter genus.  So, according to the AOS, Herring Gull is Larus argentatus and Cooper's Hawk is Accipiter cooperii, but in eBird they are American Herring Gull Larus smithsonianus and Cooper's Hawk is Astur cooperii.

At best, these differences are confusing, but at worst this shows differences between AOS decisions and eBird decisions. The Colorado Bird Records Committee has always followed the AOS as the accepted list of species for Colorado, but as is obvious, most Colorado birders submit their sightings to ebird, and many keep their different lists on ebird. I do not know anything about the origin of this difference, but I think it's not good to have differences between the two lists, and hope they are eliminated in the near future. How that would come about is not clear to me.

Cheers,  Peter Gent.

Chairman CBRC.

On Wed, Nov 27, 2024 at 6:05 PM Jason Bidgood <jason.b.bidgood@gmail.com> wrote:

I was looking at the eBird/Clements checklist updates and comparing some of the changes to the AOS and ABA checklist updates that were announced last summer. Is it correct that the Herring Gull split and splitting of the Genus Accipiter into 5 genera was not accepted by AOS but was accepted by Clements? Is it likely that this is a temporary disagreement in the lists? I'm just curious how often this happens.  

Jason Bidgood

Denver

On Wednesday, November 20, 2024 at 8:37:25 AM UTC-7 Scott Severs wrote:

Especially see changes to Herring Gull, Accipiter, Redpoll, and House Wren.

https://ebird.org/news/2024-taxonomy-update

Scott Severs

Longmont

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