Small, short-tailed warbler with a thin, pointy bill. Breeding males are yellow-green above with a gray cap and a pale eyebrow. The underside is plain whitish, although some have yellow-washed undersides. Note lack of strong wingbars.
Small warbler with a thin, pointy bill. Breeding females are yellow-green above with a gray cap and pale eyebrow. The underside is whitish, although some have yellow-washed undersides.
Nonbreeding/immature birds are yellow-green overall, showing little contrast between the head and the back. Note thin, pointy bill, lack of distinct wingbars, and white undertail coverts.
Nonbreeding/immature birds are more yellow-green overall with a pale eyebrow and a yellow-washed underside. Note whiter undertail coverts compared to the breast color.
Gleans insects from outer foliage of trees and shrubs. Note thin, pointy bill.
Small, short-tailed warbler with a thin, pointy bill. Breeding males are yellow-green above with a gray cap and a pale eyebrow. The underside is plain whitish, although some have yellow-washed undersides. Note lack of strong wingbars.
Nonbreeding/immature birds are yellow-green overall, showing little contrast between the head and the back. Note thin, pointy bill, lack of distinct wingbars, and white undertail coverts.
Breeds in the boreal forest with evergreen and deciduous trees. Uses all types of woodlands during migration.
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Small and stocky for a warbler, with a short tail and a thin and sharply pointed bill (markedly smaller and more pointed than a Red-eyed Vireo's bill).
Larger than a Golden-crowned Kinglet, slightly smaller than a Yellow-rumped Warbler.
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