Henry, A., P. Mehlhop, and C. Black. 1995. 1995 surveys for the Southwestern Willow flycatcher (Empidonax traillii extimus) near San Marcial, New Mexico. Unpubl. report by New Mexico Natural Heritage Program to the U.S. Army Corps of Engineers. 30 p.

• Vireo bellii
• Cowbird
• Empidonax traillii extimus