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Empidonax traillii

Year
1948
Citation

Phillips, A. R. 1948. Geographic variation in Empidonax traillii. Auk 65:507-514.

Reference Code
A48PHI01NAUS
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
X03SAD01NMUS
Year
Citation

White Sands National Monument. Date Varies. Faunal observation records from White Sands National Monument. 30 p.

Reference Code
UNDWSN01NMUS