Heads up: Some or all of the identifications affected by this split may have been replaced with identifications of Accipiter. This happens when we can't automatically assign an identification to one of the output taxa. Review identifications of Accipiter gentilis 5108

Taxonomic Split 133052 (Committed on 10-29-2023)

American Goshawk Accipiter atricapillus is split from Northern (now Eurasian) Goshawk A. gentilis (Clements 2007:43)

Brief summary: North America now has its own species of goshawk, adults of which differ in several ways from its Eurasian relative. Identification will not be impacted except by the possibility of an extremely rare vagrant.

eBird/Clements Checklist v2023 (Citation)
Added by donalddavesne on October 29, 2023 11:53 PM | Committed by birdwhisperer on October 29, 2023
split into

Comments

This one is pretty straightforward. Everything looks good, so I'm committing.

Posted by birdwhisperer 6 months ago

Yeah I thought so too

Posted by donalddavesne 6 months ago

@donalddavesne I also added the new distribution maps, so we're all good there too.

Posted by birdwhisperer 6 months ago

@birdwhisperer Oh I'm not sure how to do that! Would you mind pointing me towards a tutorial? I need to do it for a few fish taxa

Posted by donalddavesne 6 months ago

@donalddavesne Download QGIS and download the distribution from iNat to adjust for splits. I'm thinking about making a video tutorial because it took me 2 days to relearn the system.

Posted by birdwhisperer 6 months ago

Have you got a link to any published rationale for this split? This is the first suggestion I've heard that the two forms are field-diagnosably distinct.

Posted by duncan-brooks 6 months ago

This follows the update of world bird taxonomy from the Clements checklist (used by eBird and iNaturalist) : https://www.birds.cornell.edu/clementschecklist/introduction/updateindex/october-2023/
The split is also widely accepted e.g. by the International Ornithological Congress (https://www.worldbirdnames.org/bow/raptors/)

Posted by donalddavesne 6 months ago

@duncan-brooks The American Goshawk is the most distantly related species in the goshawk superspecies. That was main rationale for the split because if they weren't a species, why should species like the Black Goshawk or Henst's Goshawk keep their species card? The two are pretty easy to separate in the field, and though American Goshawk is a good descriptive name and I love it, we missed out on the opportunity for Vermiculated Goshawk to describe its main plumage trait. They're also pretty different vocally.

https://academic.oup.com/auk/article/130/2/342/5149355
https://d1wqtxts1xzle7.cloudfront.net/41482621/DNA_barcoding_and_evolutionary_relations20160123-27103-f5a6o8-libre.pdf?1453576237=&response-content-disposition=inline%3B+filename%3DDNA_barcoding_and_evolutionary_relations.pdf&Expires=1698672867&Signature=Otls4pMRFaauij1i9NmIYKi8I7HlAbEigHFpXKqT1lSVWiiCE5e5ZUImWd7FJlrF8VgDCnagu33e9vAL-KSTWg2kpL4KPWJSqKk4s8sMVzJJxDpuCUUDL~fXliegmwzFWDYWhmU6DcBOiKb5Mj72JqfeX6vTU2pAogC7bPz8838PrQOZdhzV5TSzp-qzSqqoX4cZ42oFLMLeVauye3m9D5JIaM1HGG-HbFeBTuZJsdc1A1pvHlscxopoGirWYtH7vVMARZ-gROnO7QKyjdpeQkExUT2eJvBPWKk1LwveXL1vo7mR6wBNNKao~Eo8tjH6Z6s1JTgydP17ne683o6zyg__&Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA

https://www.researchgate.net/profile/Camille-Concepcion/publication/326087175_Conservation_Threats_and_Priorities_for_Raptors_Across_Asia/links/5bd152b2299bf14eac831e37/Conservation-Threats-and-Priorities-for-Raptors-Across-Asia.pdf#page=10

https://americanornithology.org/wp-content/uploads/2023/08/2023-B.pdf

Posted by birdwhisperer 6 months ago

Ta. Good to know they're pretty easy to separate in the field.

Posted by duncan-brooks 6 months ago

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