Friday, January 24, 2020

Orange-crowned Warbler

I banded this Orange-crowned Warbler in our Olympia backyard on 19 April 2019. Ornithologists describe four races of Orange-crowned Warbler across North America. Because of its bright yellowish and relatively unstreaked underparts and yellowish head, I suspect this bird is Oreothlypis celata lutescens. This bird seems much brighter and less streaked than Orange-crowned Warblers that I banded in Minnesota. This race breeds from coastal Alaska south through western Washington to southwestern California. This race mostly winters from central California south into Central America. Orange-crowned Warblers are cold-tolerant and are recorded in the winter north into Oregon, with vagrants even reaching British Columbia. To date, however, I have not seen a wintering one in Olympia.

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