In particular they are important habitat for migrating birds including wood warblers, vireos, and thrushes. These include many warblers, flycatchers, vireos, and thrushes. It is classified as nesting habitat for many birds, including hummingbirds, warblers, and vireos. In female red-eyed vireos the roles are reversed. This behavior is characteristic of the bay-breasted warbler and many vireos. IBA include blue-headed and red-eyed vireos, Acadian and least flycatchers. Red-tailed hawks, warblers, vireos and songbirds are found here throughout the seasons. Wooded habitats shelter ruby-crowned kinglets and white-eyed vireos. For instance, the American Ornithologists' Union places larks just after the crows, shrikes, and vireos. The vireos are a group of small to medium-sized passerines. The vireos are a group of small to medium-sized passerine birds. The vireos are a group of small- to medium-sized passerine birds.