Song: Song is a broken series of two and three syllable notes: "chee wi, chee wi choo" or "ch-ree ch-ruh, chee-r chr-ree" repeated ad nauseum. Cadence of song is similar to Blue-headed Vireo's but faster and intervals between syllables may be longer than intervals between songs.
Sound: Kevin J. Colver; May; UT; Pair; Mixed; Primary Sound;