Wilson's Warbler
NameWilson's Warbler
Common NameWilson's Warbler
Scientific NameWilsonia pusilla
FamilyParulidae
Wingspan (cm)15.5
Length (cm)11
Weight (g)8.5
Plumage DetailsMales are entirely bright yellow with olive-green upperparts and a prominent, glossy black cap. Females and immatures are similar but have a duller yellow plumage and may have a reduced or dusky black cap, or lack it entirely. They possess a small, pointed bill and dark eyes.
Vocalization / CallTheir song is a rapid, chattering series of notes, often described as 'chi-chi-chi-chi-che-che-che-chew.' Calls include a sharp 'chip' note.
Primary Dietinsectivore
Primary Habitatsforest, wetland, mountain
Conservation Statusleast-concern
Geographic RangeBreeds across Alaska, Canada, and the western United States in boreal and montane regions. They migrate south to winter in Mexico and Central America, utilizing a variety of shrubby habitats.
Identifying FeaturesSmall size, Bright yellow plumage, Olive-green back, Male has a distinctive black cap, Active, restless behavior
Description
A small, active warbler, the male Wilson's Warbler is easily recognized by its bright yellow plumage and distinctive black cap. These energetic birds are constantly on the move, flitting through dense vegetation in search of insects.
