Song: Song is an endless chirpy series of notes "chr-up chee teedle dee", as if a House Sparrow was singing the song of a Red-eyed Vireo. Calls consist of short dry mewing "reeh" chatter.
Sound: Antonio Celis-Murillo; 2006 Jun 28; Mexico, Yucatan; El Cuyo, Tizimin; Adult; Male; Primary Sound;