Overall plumage pattern indicates one of the Myiarchus species of Flycatcher. Small bill, pale yellow belly, extensive gray chest all point to Ash-throated Flycatcher, a rarity during fall migration in Jefferson County. There are some vagrants that are extremely similar and should also be considered, particularly Nutting's Flycatcher and Dusky-capped Flycatcher. Vocalizations are unique by species. A recording would be helpful for identification. To rule out Nutting's, a photo of the underside of the tail would be helpful.
Nick Komar
Fort Collins CO
On Oct 20, 2020, at 9:10 AM, Mary Kay Waddington <waddingtonmk@gmail.com> wrote:
A friend of mine sent me this photo from Arvada, Jefferson County, wondering what the bird was. I gave her my opinion but would like all you experts to weigh in as well. Unexpected bird on a porch railing in Arvada! Mary Kay Waddington--<IMG_2053.JPG>
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