American Yellow Warbler
Setophaga aestiva
Other than in male breeding plumage and body size, all warbler subspecies are very similar. Winter, female and immature birds all have similarly greenish-yellow uppersides and are a duller yellow below. Young males soon acquire breast and, where appropriate, head coloration. Females are somewhat duller, most notably on the head. In all, the remiges and rectrices are blackish olive with yellow edges, sometimes appearing as an indistinct wing-band on the former. The eyes and the short thin beak are dark, while the feet are lighter or darker olive-buff. The 35 subspecies of S. Voice: The song is a musical strophe that can be rendered sweet sweet sweet, I'm so sweet, although it varies considerably between populations. The call is a soft or harder chip or ship. This is particularly frequently given by females after a male has finished his song. In territorial defense, they give hissing calls, while seet seems to be a kind of specialized cowbird alert (see below).
ID text from Wikipedia, CC BY-SA 4.0
Plumbeous Warbler
Setophaga plumbea
The plumbeous warbler is 12 to 14 cm (4.7 to 5.5 in) long and weighs 8.4 to 11.3 g (0.30 to 0.40 oz). The sexes have the same plumage. Adults have a mostly gray head with a white supercilium that is broken over the eye and a white arc below the eye. Their upperparts are gray. Their wings are mostly gray with wide white tips on the greater and median coverts that show as two white wing bars. Their tail is mostly gray with a whitish underside and white tips on the outer two pairs of feathers. Their underparts are mostly whitish with grayer flanks. Voice: The plumbeous warbler's song is a "short and simple but quite melodic...pa-pi-a or de-de-diu". Its calls are a "short chek" and a "loud rattle".
ID text from Wikipedia, CC BY-SA 4.0
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: American Yellow Warbler and Plumbeous Warbler.