NPSpecies

An uncommon permanent resident of low-elevation desertscrub in the far western portion of the region on upper Lake Mead and along the Grand Wash Cliffs. It is a casual spring wanderer farther east, where one was seen along the Tanner Trail on 27 Apr 1995 (Greg Clark, Tim Price), one was south of Grand Canyon Village on 15 May 1978 (Kenn Kaufman), and one was at Lees Ferry on 16 May 1981 (Linda Terrill, Scott Terrill). There are also records from Toroweap Valley and from Saddle Canyon along the Colorado River (Brown et al. 1987). Data source: Gatlin, BP. 2011. Annotated Checklist of the Birds of the Grand Canyon Region. 3rd edition.

(Polioptila melanura) * Black-tailed Gnatcatcher is an uncommon permanent resident of low-elevation desertscrub in the far western portion of the region on upper Lake Mead and along the Grand Wash Cliffs. It is a casual spring wanderer farther east, where one was seen along the Tanner Trail on 27 Apr 1995 (Greg Clark, Tim Price), one was south of Grand Canyon Village on 15 May 1978 (Kenn Kaufman), and one was at Lees Ferry on 16 May 1981 (Linda Terrill, Scott Terrill). There are also records from Toroweap Valley and from Saddle Canyon along the Colorado River (Brown et al. 1987). Data source: Gatlin, BP. 2011. Annotated Checklist of the Birds of the Grand Canyon Region. 3rd edition.