Empidonax traillii extimus
Unknown (1995) Southwestern Willow Flycatcher Report, Smokey Bear Ranger District, 1995. Lincoln Supervisor's Office, Lincoln Naitonal Forest, USFS. 1 p.
Stoleson, S and D. Finch. 2000. Reproductive success and habitat requirements of the southwestern willow flycatcher in the Cliff-Gila Valley, New Mexico. . 18 p.
Mehlman, D. 1995. 1995 Survey for and habitat characteristics of the Southwestern Willow flycatcher, (Empidonax traillii extimus) in the Isleta-Belen reach of the Rio Grande, New Mexico. Submitted to U.S. Army Corps of Engineers.
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.
Ahlers, D. and L. White. 1995. 1995 Southwestern Willow Flycatcher survey results; Selected sites along the Rio Grande from Velarde, New Mexico, to the headwaters of Elephant Butte Reservoir. 28 p. + app.
Paul, L. Harbrough, G. (1994) Willow Flycatcher Survey Form. Retrieved from Guadalupe Ranger District, Lincoln National Forest, USFS. 3 p.
Mehlhop, P. and P. Tonne. 1994. Results of surveys for the Southwestern Willow flycatcher- Middle Rio Grande Flood Protection Project, Bernalillo to Belen, New Mexico, Corrales Unit. Unpubl. report by New Mexico Natural Heritage Program for U.S. Army Corp
Skaggs, K. 1993. Willow flycatcher survey detection and nest site data forms developed by Partners in Flight to establish occurrence of Empidonax traillii extimus in NM. Summary added by S.O. Williams III, NM Dept Game and Fish.
Romme, R.C. May 17, 24 and 26, 1993. Electronic mail message report for conversations with John Hubbard regarding locality of 1971 sighting of Southwestern Willow flycatcher.
Kuykendall, B. 1993. Willow flycatcher survey detection and nest site data forms developed by Partners in Flight to establish occurrence of Empidonax traillii extimus in NM. Summary added by S.O. Williams III, NM Dept Game and Fish.