14 cm (5-6") Uncommon. Southwestern United States. Dry bushy mountain slopes, chaparral, pinyon-juniper.
Gray upperparts. White underparts. Faint eye ring. Faint wing bars. Resembles Bell's Vireo but Bell prefers moist habitats. And like Bell it will twitch its tail like a gnatcatcher.
Song: like Solitary Vireo's - slurred musical "chu-wee chu-weet".
Videos
Images

Credit: Seabamirum