Juncos - Pueblo

Leon Bright

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Feb 4, 2016, 4:16:09 PM2/4/16

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COBirders-- It’s always interesting to me that flocks of Juncos in southern (at least) Colorado regularly contain more than one subspecies. Just now in my back yard a flock of seven contained four subspecies: gray-headed, Oregon, slate-colored (Rocky Mtn.), and pink-sided.

Leon Bright, Pueblo

Karl Stecher Jr.

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Feb 4, 2016, 4:19:18 PM2/4/16

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Same today in my back yard feeders in Centennial. Haven't had a white-winged all winter. Lots more variety here today than at any time in the past month.

Karl Stecher

Centennial/Arapahoe

From: "Leon Bright" <urr...@comcast.net>
Sent: Thursday, February 04, 2016 2:16 PM
To: "Cobirds" <cob...@googlegroups.com>
Subject: [cobirds] Juncos - Pueblo

COBirders-- It’s always interesting to me that flocks of Juncos in southern (at least) Colorado regularly contain more than one subspecies. Just now in my back yard a flock of seven contained four subspecies: gray-headed, Oregon, slate-colored (Rocky Mtn.), and pink-sided.

Leon Bright, Pueblo

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Norm Lewis

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Feb 4, 2016, 4:44:59 PM2/4/16

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Same here. I have literally dozens of juncos, but nary a white-winged. I usually have one or two over the course of the winter, but not this year. Maybe there is something cyclical about their breeding/migration? Perhaps one of our experts could weigh in?

Norm Lewis

Lakewood, CO

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Jennifer Hallam

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Feb 4, 2016, 5:52:48 PM2/4/16

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Oh wow! I have White-winged Juncos at my feeders daily here in Ken Caryl, CO (Jefferson County) this winter and the past 2 winters. My next home eBird session I do, I'll specify. I have at least 4 at once that I've seen. I didn't think they were that rare in this area...or maybe they aren't?

Jennifer Hallam
C470 and Kipling
Jefferson County

David Suddjian

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Feb 4, 2016, 7:41:25 PM2/4/16

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My yard in Ken Caryl Valley regularly attracts (in approximate descending order of abundance): Oregon, Pink-sided, Slate-colored, Gray-headed and Cassiar. I have only once had a White-winged in my yard in 2.5 winters here so far, and have never seen others in the immediate area. They seem fairly rare in JeffCo to me. Gray-headed is more numerous in nearby natural habitats than in my suburban styled neighborhood.

Intergrades among some of the above forms are another part of the story...

David Suddjian

Littleton, CO

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