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

Tufted Titmouse

Tufted Titmouse
Photo by Diane Lepkowski

White-breasted Nuthatch

White-breasted Nuthatch
Photo by Diane Lepkowski

White-crowned Sparrow

White-crowned Sparrow
Photo by Marshall Faintich

White-throated Sparrow

White-throated Sparrow
Photo by Lynn Whitmore