Spotting an American Redstart (Setophaga ruticilla) male at Jamaica Bay Wildlife Refuge recently was a surprise. There was actually another nearby, too. The bird-list put out by the NPS says they are “probable nesters” there; the state breeding survey, more recent, has them confirmed. 
This was news to me. Nice to see a “revival” of migration’s wonderful colors.
Another warbler breeding all over the place at the Refuge is the Yellow Warbler (Setophaga petechia). 
This I knew about: it’s hard to miss them, both visually and aurally. You can also find Common Yellowthroats at JBWR now, but these three species seem to be the extent of it, warbler-breeding-wise.
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This work by Matthew Wills is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License.
Backyard and Beyond 
We had a redstart in the park a month ago! It was super exciting. A male, just singing, it did not seem to be nesting.
A very handsome bird.