Brown-backed Solitaire - Myadestes occidentalis

Song: Song is a very high pitched accelerating squeaky metallic series, less rhythmic and more metallic, than similar Black-and-white Warbler song. Calls are slightly whining metallic up slurred "wheuu" notes.

Sound: Fernando González-García (Biblioteca de Sonidos Aves de México); 2004 Jul 18; Mexico, Veracruz; La Barranca, Acajete; Adult; Primary Sound;