Oporornis philadelphia

Description

They have an olive back and wings and a yellow belly and vent. They have a gray head and neck. Males also have a black bib.

Voice

Their song is a variable, rhythmic, rolling sequence of two syllable phrases, generally chirry, chirry, chorry, chorry where the chorry is lower.

Habitat

They can be difficult to visually locate, frequenting areas of low thick vegetation, such as bushy clearings and thickets, especially blackberry thickets. They favor disturbed, second-growth forest habitats.

Diet

They eat insects, insect larvae, and spiders. In the winter, they will also feed on the fruiting bodies of Cecropia tree leaves.

Range

They breed in Canada and the northeastern US. They winter in Central America and northwestern South America.

Other Useful Information

If a potential predator approaches their nest, male and female mourning warblers distract the predator by pretending to have broken wings.

Similar Species

Connecticut warbler, young common yellowthroat, MacGillivray’s warbler.