Cassin's Vireo

Cassin's Vireos are Fairly Common from May-August.

Habitat

The Cassin's Vireo is the only Washington vireo characteristically found in conifer forests. While these birds appear to prefer dry conifer forests of Douglas fir and Ponderosa pine, they can also be found in mixed coniferous and broadleaved forests, and may prefer to nest in hardwood trees.

Behavior

Cassin's Vireos are inconspicuous as they work their way along branches, twigs, and leaves, looking for food high up in the trees. Occasionally they fly out to grab flying insects in midair, but most of the time they glean from various surfaces. During spring and early summer, they sing incessantly, revealing their presence.