Overview

Nashville Warbler: Small warbler, olive-green upperparts, yellow underparts, white lower belly. Small chestnut-brown cap, barely noticeable. Gray hood extends to back, eye-ring is white. Two breeding populations, a mid to northeastern one that doesn't wag its tail, and a Pacific Coast one that does.

Range and Habitat

Nashville Warbler: Breeds from British Columbia and northwestern Montana south to central California and central Idaho; and from Manitoba, Quebec, and Nova Scotia, south to Minnesota, northern West Virginia, and western Maryland. Spends winters south of the U.S.-Mexico border. Preferred habitats include thickets in open mixed forests or brushy borders of swamps.

Breeding and Nesting

Nashville Warbler: Four or five white to creamy white eggs with small brown spots are laid in a cup of grass, leaves, and roots, lined with pine needles and fine grass, and concealed on the ground at the base of a bush or tussock of grass. Incubation ranges from 11 to 12 days and is carried out by both parents.

Foraging and Feeding

Nashville Warbler: Eats mostly insects; forages by gleaning food from foliage, usually in mid-levels of a forest.

Readily Eats

Sugar Water, Fruit, Nut Pieces

Vocalization

Nashville Warbler: Emits a loud, ringing "teebit-teebit-teebit, chipper-chipper-chipper-chipper", usually in two distinct segments.

Similar Species

Nashville Warbler: Mourning and MacGillivray's warblers lack yellow throats and complete white eye-rings.