NPSpecies

Data Source: Spence et al. 2005

Data Source: AOU Checklist, 7th edition

Summer Transient; Data Source: Spence et al. 2005

Park Species Detail: An uncommon summer transient in dense riparian thickets. Although this species is a common summer resident along the Colorado River in the Grand Canyon from about CRM 50 downstream, in Glen Canyon NRA it appears to occur as a transient with no indication of breeding so far. The following records exist: one at CRM 1.6 on 28 April 1997 (LaRue), two on Last Chance Creek on 17 May 1995 (Grahame), one at CRM ?8.4 on 2 June 1993 (Spence), two at CRM ?8.4 on 6 June 1995 (Grahame), one at Lee?s Ferry on 7 June 1973 (Atwood et al. 1980), one on Lake Powell at Chaol Canyon on 3-10 July 1997 (LaRue et al.) and one CRM ?2.3 on 7 July 1997 LaRue and Brown)., Park Species Data Source: Spence et al. 2005