A large vireo, the red-eyed is one of the most common songbirds in eastern woodlands. It moves sluggishly through the canopy of broadleaf forests, making it hard to detect, and often picks food by ...

The red-eyed vireo, an olive-green songbird with red irises, eats insects in the spring and summer. In the fall, these birds feast on seeds and berries to give them enough energy for their long ...

Three songbirds in the Dartmouth study—least flycatcher, black-throated green warbler, and red-eyed vireo—as drawn by Raisa Kochmaruk of the Hubbard Brook Research Foundation. Miranda ...