Western Warbling Vireo
NameWestern Warbling Vireo
Common NameWestern Warbling Vireo
Scientific NameVireo gilvus
FamilyVireonidae
Wingspan (cm)20.5
Length (cm)12
Weight (g)12
Plumage DetailsThis vireo has plain grayish-olive upperparts and whitish underparts, often with a faint yellowish wash on the flanks. It features a subtle white supercilium (eyebrow stripe) and lacks prominent wing bars or eye-rings, contributing to its overall understated appearance.
Vocalization / CallIts song is a distinctive, cheerful, and rapid warbling series of notes that rises and falls in pitch, often described as 'up-and-down, up-and-down, up-and-down'. Calls include a short, sharp 'chip'.
Primary Dietinsectivore
Primary Habitatsforest, urban
Conservation Statusleast-concern
Geographic RangeBreeds across western North America, from Alaska and western Canada south through the western United States and into parts of Mexico. It migrates south to winter in Mexico and Central America.
Identifying Featuresplain grayish-olive and whitish plumage, faint white supercilium, no wing bars, short, stout bill, distinctive warbling song
Description
The Western Warbling Vireo is a small, plain songbird typically found high in the canopy of deciduous and mixed forests. It is known for its active foraging behavior, gleaning insects from leaves and twigs with a deliberate, methodical pace.
