Song: Song a high-pitched soft descending twitter "tewtewtwututututututut suwee". Also a nasal mewing "meieah" call or doubled "meieah meieah", shorter and buzzier than Blue-gray Gnatcatcher.
Sound: Antonio Celis-Murillo; 2006 Jan 25; Mexico, Quintana Roo; Reserva Ecologica El Eden; Adult; Male; Primary Sound;