Six subspecies are usually recognized in the Sooty Fox Sparrow complex, ranging from unalaschensis in the Aleutians to fuliginosa in extreme northwestern Washington. Most birders seem to agree that the Id of the Fox Sparrow was likely a Sooty Fox Sparrow. My friend Shai Mitra, one of the first birders to weigh on the Id of the bird supported Sooty Fox Sparrow unalaschensis and referenced the bird that Paul Buckley mistnetted at Fire Island Lighthouse in 1971 (Bulls birds of New York State) that was determined to be a Fox Sparrow of the subspecies altivagans, which was collected as a specimen studied and debated over the years. Having adequate photographs and documentation of this bird would definitely aid in the discussion, as I expect this bird to be debated as well. I may return to update this post as I receive more information.
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