Nashville Warbler
Leiothlypis ruficapilla
The Nashville warbler is a small warbler. Both male and female Nashville warblers have a gray head fading into a greenish back and wings, a white belly and a yellow throat and breast. They have a complete white eye ring, no wing bars, and a thin pointed black bill. Adult males have a rusty brown patch on their crown, which is usually hard to see and often covered by gray feathers. Males will raise it slightly when agitated. Females and immature birds have a duller olive-grey head, and less bold yellow on their throat. Voice: The song of the nominate eastern subspecies consists of a rapid seewit-seewit-seewit-ti-ti-ti. Males sing from open perches on the nesting territory. The call sounds like a high seet. Western birds of the race ridgwayi have a slightly lower-pitched, richer song, and a sharper call note.
ID text from Wikipedia, CC BY-SA 4.0
Tennessee Warbler
Leiothlypis peregrina
The Tennessee warbler is 11.5 cm (4.5 in) long, has a 19.69 cm (7.75 in) wingspan, and weighs roughly 10 g (0.35 oz). The breeding male has olive back, shoulders, rump and vent. The flight feathers are brownish-black. It has a slate gray neck, crown and eyeline. The underside is a gray-white. The female is similar to the male, but is much duller and is tinged with yellow and olive overall, especially on the underside. The Tennessee warbler has long wings, short tail and a thin, pointy bill. Juveniles and first-year birds are quite similar to the female.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Nashville Warbler and Tennessee Warbler.