Townsend's Warbler
Setophaga townsendi
Townsend's warbler has a yellow face with a black stripe across its cheeks extending into an ear patch, a thin pointed bill, two white wing bars, olive upperparts with black streaks on their backs and flanks, and a white belly. Adult males have a black cap, black throat and yellow lower breast; females have a dark cap and a yellow throat. Immature birds are similar to females with a dark green cap and cheeks.
ID text from Wikipedia, CC BY-SA 4.0
Yellow-throated Warbler
Setophaga dominica
The yellow-throated warbler is 13–14 cm (5.1–5.5 in) long, with a wingspan of 21 cm (8.3 in), and weighs 8.5–11.3 g (0.30–0.40 oz). In summer, male yellow-throated warblers display gray upperparts and wings, with double white wing bars. Their throats are yellow, and the remainder of their underparts are white, and are streaked with black on the flanks. Their heads are strongly patterned in black and white, with a long supercilium. The remiges and rectrices are black.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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