- Thick bill with hooked upper mandible
- Sexes similar
- White eye
- Yellow spectacles and dusky lores
- Two bold whitish wing bars
- Gray-olive head and olive back
- White underparts with yellow flanks
- Wings and tail dark; flight feathers edged yellow-olive, tertials
- Blue-gray legs
- Differs from adult in having dark eyes and more yellow beneath.
Juvenile White-eyed Vireo can resemble Yellow-throated Vireo
but has white throat. Bell's Vireo has broken eye ring, lacks
yellow spectacles, usually shows fainter wing bars and has a
dark eye as an adult. Empidonax flycatchers can have an olive back,
wing bars, and white underparts with yellow flanks, but lack spectacles
and have dark eyes.