Range / Habitat: Breeds in scrub habitats, particularly willow thickets in Canada, Alaska, and parts of the American West. Full migrant that winters in a variety of habitats in Mexico, including the Yucatan.
Field Notes: Warbler with bright yellow face and underparts. Back is olive, wings and tail olive-grey. Black beady eye and male with small black cap.
Personal Notes: Seen at Hok-Si-La city park in Lake City, MN.