Blackburnian Warbler in Fort Collins (Larimer)

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Juan Garcia

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Nov 4, 2021, 5:03:10 PM11/4/21

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Sorry for late word on this -- a family issue caused the delay.

This morning around 10:45 I observed a juv/fem type Blackburnian Warbler in Lee Martinez Park, Fort Collins (Larimer).

Precise location: wood-planked steel bridge on West Poudre Trail about 1/8 mi. W of the College Ave overpass (which passes over the Cache de la Poudre).

I was able to watch this individual for 15 minutes, with good looks at the principal field characters. Sorry no photos.

Double white wingbars, pale UTCs, yellow chin, yellow wash to breast and upper belly. Clear streaking to sides of breast. Face shows contrasting supercilium and classic triangular auricular patch.

The bird was associating with a mid-sized mixed flock of American Goldfinches, Black-capped Chickadees, and a few House Finches. It was gleaning among the green or dying leaves of Hackberry and Cottonwood trees, mainly in the mid- to upper third.