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Empidonax traillii extimus

Year
2003
Citation

Sadoti, G., K. Johnson, and J. Smith. 2003. Delineation of Southwestern Willow Flycatcher and Yellow-billed Cuckoo habitat on White Sands Missile Range. White Sands Missile Range Environmental Document. WSMR97F014-2003. 47 p.

Reference Code
U03SAD02NMUS
Year
1999
Citation

Williams, S.O., III. 1999. Email from state ornithologist to P. Mehlhop. New sites for Empidonax traillii extimus. 2 p.

Reference Code
U99WIL04NMUS
Year
1998
Citation

Hawks Aloft, Inc. 1998. Annual report of the breeding bird surveys and Southwestern Willow Flycatcher surveys, Rio Puerco Resource Area. 81 p.

Reference Code
U98HAW01NMUS
Year
1997
Citation

West, S. (1997). Willow Flycatcher Survey and Detection Form. Sitting Bull Falls, Guadalupe RD, Lincoln NF, USFS.

Reference Code
U97WES02NMUS