General

Prothonotary Warbler: Medium-sized warbler with olive-green back and gray wings and tail. Head, neck, and underparts are vibrant yellow; undertail coverts are white. Female and juvenile are duller and have olive-green wash on heads and faces.

Range and Habitat

Prothonotary Warbler: Breeds mainly in the southeastern states north to Minnesota, Michigan, and New York. Spends winters in the tropics. Preferred habitats include wooded swamps, flooded bottomland forests, and streams with dead trees.

Breeding and Nesting

Prothonotary Warbler: Four to six pink or cream eggs, spotted with brown and gray, are laid in a tree cavity, stump hole, birdhouse, or other man-made structure, such as a mailbox. The cavity is stuffed with mosses to form a nest cup. Incubation ranges from 12 to 14 days and is carried out by the female.

Foraging and Feeding

Prothonotary Warbler: Eats mostly insects, but also fruits and seeds; forages in trees, shrubs, and on the ground.

Readily Eats

Sugar Water, Fruit, Nut Pieces

Vocalization

Prothonotary Warbler: Song is a ringing "sweet-sweet-sweet-sweet-sweet -sweet-sweet"; also a canary-like flight song. Call is a loud, metallic "chip."

Similar Species

Prothonotary Warbler: Female Yellow Warbler has yellow wings and undertail coverts. Blue-winged Warbler has black eye-lines and pale wing-bars.