Black throated blue warbler

Sept 28, 2020, Rondeau Provincial Park, Ontario, Canada.


A pond visitor, probably the darkest face and throat I've seen.
Setophaga caerulescens
During migration, they forage in all types of woodlands, parks, and gardens, still keeping to lower levels compared to some warblers. Unlike other warblers that molt into "confusing fall plumage," male Black-throated Blue Warblers keep their distinctive black-and-blue plumage year-round. The distinctive white square on the wing also helps ID females.

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