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Kimball Garrett, Mike San Miguel, several others from WFO field trip; Yes
Species, Date, Time and Location Information
Duration (total time in view):
Barr Lake, along boardwalk of Niedrach Nature Trail.
Riparian edge of dry reservoir shore, on plains of Eastern Colorado
Nikon Action 7x35
10-30 feet, estimated
Description of the Bird
Small passerine sized and shaped as a "Dendroica" warbler, with relatively short tail, and short, slender bill, usually perching horizontal to the ground. The upperparts were olive-green on the rump and back with several diffuse blackish vertical streaks; wings were dark gray with two white wingbars; tail was the same dark gray; head was light gray on nape, crown and auriculars with a white eyering around a black eye. Underparts were bright yellow on throat, diffusing to paler yellow on lower breast and lower flanks; belly and vent were white; a couple of pale gray streaks were evident on the side of the breast, with a couple of darker gray streaks on the flanks. Undertail was black on the basal half and white on the apical half. Legs were black.
Behaviors: Flitted actively in the canopy of a small deciduous tree.
Plumage: First basic
Similar Species Discussion
No other North American bird has the combination of features of this bird. In particulaar, the tail pattern is unique. Nashville Warbler has a gray head with white eye ring and bright yellow throat but lacks wingbars. Northern Parula has wingbars and yellow breast but lack streaks on back and sides and complete eyering. Many other warblers share one or two field marks.
I have banded basic plumage Magnolia Warblers in Guatemala, and observed many.
Date Documentation Submitted
10/6/2006 10:41:00 AM
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