1997
Stahlecker, D. W and Cox, N. S. 1997. Bosque biological monitoring program: bird populations in Rio Grande Valley State Park, winter 1996-97 and spring 1997.
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Empidonax traillii extimus
Stahlecker, D. W and Cox, N. S. 1997. Bosque biological monitoring program: bird populations in Rio Grande Valley State Park, winter 1996-97 and spring 1997.
Hawks Aloft, Inc. 2003. Field inventory of the breeding birds in the Albuquerque Resource Area. 82 p.
Fullerton, W and D. Batts. 2003. A framework for a restoration vision for the Rio Grande: Hope for a living river. The Alliance for Rio Grande Heritage. World Wildlife Fund.. 131 p.
Schwarz, H. 1997. Cibola National Forest breeding bird survey report for 1997.
Johnson, K., Mehlhop, P., and DeLay, L.. 1997. Willow flycatcher surveys and evaluation of potential willow flycatcher habitat in the BLM Roswell Resource Area, 1997. 26 p.
Hawks Aloft, Inc. 2002. Southwestern Willow Flycatcher Surveys: Annual Report. 20 p.
Skaggs, R. 1996. Population size, breeding biology, and habitat of willow flycatchers in the Cliff-Gila Valley, New Mexico. . 38 p.
North, B. 1996. Memo to D. Taylor with regard to birds of special concern at WSMR. Weekly reports. 2 p.
Johnson, K., P. Mehlhop, C. Black, and K. Score. 1996. The Southwestern Willow flycatcher on the Middle Rio Grande: Results of 1996 surveys and nest monitoring. Unpubl. report by New Mexico Natural Heritage Program for the U.S. Bureau of Reclamation. 29
Schwarz, H. R. 2000. Y-2000 SWWF report for the Cibola National Forest.