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)