Yellow Warbler 2, Montana (Yellow Warblers)

Pine Warbler with Caterpillar 1, New York (Pine Warblers)

Pine Warbler with Caterpillar 2, New York (Pine Warblers)

Pine Warbler with Fly, New York (Pine Warblers)

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)

Eastern Phoebe with Nesting Material 2, New York (Eastern Phoebes)

Rose-Breasted Grosbeak, New York (Rose-Breasted Grosbeaks)