adult; no sexual dimorphism (California, USA; 2006-04-23)

Warbling Vireo
Vireo gilvus

Native Range: North America and Middle America

Notes: this drab vireo gets its name from its song, which unlike that of most other vireos is a long and complex warble; found mainly in broadleaf forests and open scrublands.

whitish eyeline; rather grayish crown (California, USA; 2006-04-23)

olive-gray overall (California, USA; 2006-04-23)

no wingbars; tinge of yellow along sides (California, USA; 2006-04-23)

slight darkish line through eye (California, USA; 2006-04-23)