Blackburnian Warbler in Spring, New York (Blackburnian Warblers)

Black-Throated Blue Warbler, New York (Black-Throated Blue Warblers)

Northern Parula, Maine (Northern Parulas)

Magnolia Warbler, New York (Magnolia Warblers)

Warbler Singing in Spring, Backlit (Warblers)