Black-throated Green Warbler
Setophaga virens
Black-throated Green Warbler · Green-Wood Cemetery · 28 September 2025
A Black-throated Green Warbler working a dogwood as the leaves turn at Green-Wood in late September, on its way south. Its migration runs from the spruce forests of Canada to Central America and the Caribbean, and most of it happens at night.
The absence of a solid black bib makes it a female or a young bird; the breeding male wears one like a black scarf. A great many of the small birds passing over a city in autumn are doing it in the dark, guided by stars and the earth's magnetic field, and are only visible at all when they drop into a park at dawn to feed.
Birds, insects, plants and other wildlife, mostly from Brooklyn, with some from further afield.
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