Physical characteristics

The vireos are small, plain-colored songbirds; the name vireo is derived from the Latin word for "greenish." The bird has a short, somewhat heavy, pointed beak, with a small hook at the end formed by the overhanging tip of the upper mandible. The wings may be rounded at the end, or may be more pointed. The legs are short but strong. Vireos are typically colored olive gray, olive brown, greenish, or yellowish above; they have a white, light gray, yellow, or yellow-washed breast and belly. Most species have a black line through the eye and a white stripe above it, but some have a light-colored eye-ring. A pale wing bar is generally present. The sexes are colored similarly.

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