White-eyed Vireo
Vireo griseus
Measurements: Length: 4.3–5.1 in (11–13 cm) Weight: 0.3–0.5 oz (10–14 g) Wingspan: 6.7 in (17 cm) Its head and back are a greyish olive, and the underparts are white with yellow flanks. The wings and tail are dark, and there are two white wing bars on each wing. The eyes have white irises, and are surrounded by yellow spectacles. Sexes are similar. Voice: The white-eyed vireo's song is highly variable, consisting of a rapid series of notes bookended by sharp 'chip' notes.
ID text from Wikipedia, CC BY-SA 4.0
Yellow-throated Vireo
Vireo flavifrons
Adults are mainly olive on the head and upperparts with a yellow throat and white belly; they have dark eyes with yellow "spectacles". The tail and wings are dark with white wing bars. They have thick blue-grey legs and a stout bill. Measurements: Length: 5.1–5.9 in (13–15 cm) Weight: 0.5–0.7 oz (15–21 g) Wingspan: 9.1 in (23 cm)
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: White-eyed Vireo and Yellow-throated Vireo.