2020
Morrison, J. 2020. NMDGF Permit Data.
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Empidonax traillii
Morrison, J. 2020. NMDGF Permit Data.
Ryan, V. 2013. New Mexico database of Southwestern Willow-Flycatcher locations, 1993-2013. NM SWWF Working Group.
Phillips, A. R. 1948. Geographic variation in Empidonax traillii. Auk 65:507-514.
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.
White Sands National Monument. Date Varies. Faunal observation records from White Sands National Monument. 30 p.
Johnson, A. 2020. NMDGF Permit Data.
Yong, W. and D. M. Finch. 1997. Migration of the willow flycatcher along the Middle Rio Grande. Wilson Bulletin. 109(2):253-268.