Wilson's Warbler — Cardellina pusilla

Order Passeriformes
Family Parulidae
Genus Cardellina (previously Wilsonia)
Species pusilla
A warbler with an olive back and yellow underneath and a round black cap. The female and immature do not show traces of the black cap. They are often found in thickets near wooded streams, moist tangles, low shrubs, willows and alders. This warbler nests in Canada and winters mainly in Mexico to Panama. It is a late spring migrant.

Birds of the Arboretum

Black-Throated Blue Warbler

Black-Throated Blue Warbler
Photo by Marshall Faintich

Black-Throated Green Warbler

Black-Throated Green Warbler
Photo by Marshall Faintich

Blue Jay

Blue Jay
Photo by Benjamin Shirkey

Blue-gray Gnatcatcher

Blue-gray Gnatcatcher
Photo by Marshall Faintich