Connecticut Warbler
Oporornis agilis
These medium-sized warblers measure 13–15 cm (5.1–5.9 in) in length, with a 22–23 cm (8.7–9.1 in) wingspan. Connecticut warblers weigh 10 g (0.35 oz) when they fledge, attaining an average weight of around 15 g (0.53 oz) as adults. However, birds preparing for migration pack on more weight to survive the strenuous journey and can weigh up to 25 g (0.88 oz). This species has light yellow underparts and olive upperparts; they have a light eye-ring, pink legs, a long tail, and a thin pointed bill. Males have a grey hood; females and immatures are more brown and have a whitish throat. Voice: The song of this bird is a loud repeated cheepa-cheepa. It's "similar in pitch to the Kentucky warbler and the Ovenbird". The call is a nasal pitch, it sounds like a raspy "witch". Like many songbirds, its song is heard during the breeding season but rarely during the fall.
ID text from Wikipedia, CC BY-SA 4.0

Spectacled Whitestart
Myioborus melanocephalus
The spectacled whitestart generally weighs between 10 and 13 grams, and is between 13 and 13.5 centimetres (5.1 and 5.3 in) long. The species has a black face and crown, while the nape of the neck and the back are grey. The tail is largely black, but the outermost feathers have some white on them. The underside of the throat, from the throat to the tail, is yellow. The undertail coverts are white. The beak and the legs are black, while the iris is dark. Males and females are indistinguishable. Juveniles have grey on the head and back, and have an underside that is paler yellow.
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: Connecticut Warbler and Spectacled Whitestart.