Wilson's Warbler
Wilsonia pusilla

Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Aves
Order: Passeriformes
Family: Parulidae
Genus: Wilsonia

Audio for Species

Song
Call
Call/Song

from Macaulay Library

Species Related Links

Description

Length: 3.9-4.7 in (10-12 cm) Weight: 0.2-0.4 oz (5-10 g) Wingspan: 5.5-6.7 in 14-17 cm)

A small warbler, with thin, pointed dark bill and pink legs. A yellow supercilium, face, and underparts, and olive-green upperparts. The male has a black cap.

Habitat, Range, and Feeding

The breeding range of Pacific coast populations (W. p. chryseola) use a variety of moderately moist and dry scrub habitats in humid coastal forests, such as Rhododendron thickets, or blackberry mixed with conifers and maples. The breeding habitat of western mountain, northern, and northeastern populations do not normally breed under dense tree overstory. and are restricted to mesic shrub thickets of riparian habitats, on edges of beaver ponds, lakes, bogs, and overgrown clear-cuts of mountain, and boreal zone; may reach into alpine zone. Winters in tropical evergreen and deciduous forest, cloud forest, pine-oak forest, forest edge habitat, and found in mangrove undergrowth.

They nest on the ground or sometimes low in shrubs. the female builds the nest, with a foundation from material, such as whole leaves, or sedge blades. An outer structure of plant stems, and mosses, and the lining from hair and fine dead grasses. The clutch size 2 to 7 eggs, that are creamy beige white with brown spotting or small blotching. Incubation period is 11 to 13 days on average. The young fledge 9 to 11 days after hatching.

Their diet is insects and occasionally berries.