Worm-eating Warbler - Helmitheros vermivorum

Song: Song a rapid flat trill, similar to Chipping Sparrow or Dark-Eyed Junco but usually faster and more insect-like. May be introduced by a few chip notes. Call is a sharp clear "chip", flight call a short high buzzed "dzt".

Sound: Lang Elliott; 1991 Apr 30; USA, Kentucky; Adult; Male; Primary Sound;