Friday, 1 July 2022

[cobirds] Re: Do Dark-eyed Juncos Breed in Metro Denver?

Following up, in an indirect way, on Lynne's earlier message about juncos --

This morning, my Centennial yard (western Arapahoe Co., approx . 5,600 ft) was visited by an apparent immature Dark-eyed Junco. The looks I had at it were not definitive -- but the call, white-edged tail, size, and shape seemed satisfactory to me. 

Interestingly, in 2019, an eBirder who only goes by their initials, G P, reported a Dark-eyed Junco pair in their yard, which is very close to my yard, in late-June. Earlier that same year (April), a junco briefly played with nesting material in my yard; my dogs, unfortunately, inadvertently ran them off. I described this on CO Birds (which is the only reason I know when this happened) here: https://groups.google.com/g/cobirds/c/6KTdd5sFiIo/m/3irZhTuLBwAJ 

This year and last, eBirders east of Cheesman Park in central Denver appear to have documented a nesting junco -- there are eBird reports of junco activity and a fledgling throughout June. The most recent checklist is here: https://ebird.org/checklist/S113745605

Perhaps a few juncos have followed Cordilleran Flycatchers from the higher elevations into the Denver metro area?

Related / unrelated: Does Denver now have a pair of nesting Mississippi Kites -- the eBird reports from this and last year seem suggestive? I've read that Mississippi Kites nest in urban locations throughout their range, but is this a new development for the state?

- Jared Del Rosso
Centennial, CO

On Friday, June 24, 2022 at 11:18:12 AM UTC-6 lforre...@gmail.com wrote:
I live in Littleton, east Jeffco at ~5600', in the middle of suburbia about two Peyton Manning throws from Southwest Plaza Mall.

The last two days I've had a juvenile Dark-eyed Junco coming to my yard foraging under the feeders. Do they breed this low down and east? I've always associated them with the foothills. I would think they would have to be breeding near here to see a youngster this early. 

Lynne Forrester 
Littleton, East Jeffco

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