Green-crowned Warbler
NameGreen-crowned Warbler
Common NameGreen-crowned Warbler
Scientific NameCardellina pusilla
FamilyParulidae
Wingspan (cm)15.5
Length (cm)11
Weight (g)8.5
Plumage DetailsThe plumage features bright yellow underparts, an olive-green back and wings, and an olive-green head with a prominent broken yellow eye-ring. Adult males possess a distinctive glossy black cap, whereas females and immature birds have an olive-green crown, sometimes with a subtle darker patch.
Vocalization / CallThe song is a rapid, chattering series of notes that often accelerates and descends towards the end, commonly described as 'chi-chi-chi-chi-chew-chew-chew'. Its call is a sharp 'chip'.
Primary Dietinsectivore
Primary Habitatsforest, wetland
Conservation Statusleast-concern
Geographic RangeBreeds across Alaska, Canada, and the western United States. It migrates south to winter in Mexico and Central America.
Identifying FeaturesSmall size, Bright yellow underparts, Olive-green upperparts, Broken yellow eye-ring, Males with black cap (females/immatures with olive crown), Active, tail-flicking behavior
Description
This small, active warbler exhibits bright yellow underparts contrasting with olive-green upperparts. It is often seen foraging in dense vegetation, constantly flicking its tail. Males are distinguished by a glossy black cap, while females and immatures display an olive-green crown.
