2013
Schwarz, H. 2013. Cibola National Forest Willow Flycatcher surveys at Bluewater, Zuni Mountains.
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Empidonax traillii extimus
Schwarz, H. 2013. Cibola National Forest Willow Flycatcher surveys at Bluewater, Zuni Mountains.
Shook, R. 2017. Southwestern Willow Flycatcher (Empidonax trailii extimus) Survey Results: Annual FWS permit report. FWS Permit #TE000948. Western New Mexico University, Silver City, NM.
Cienega Environmental. 2017. Annual permit data for Mexican Spotted Owl and Southwestern Willow Flycatcher. FWS permit #TE48752B.
Inslee, A. 2013. Flycatcher surveys at Bosque del Apache National Wildlife Refuge. Report to U.S. Fish and Wildlife Service, Section 10 TE-676811.
Inslee, Ashley. 2012. Bosque del Apache National Wildlife Refuge Southwestern Willow Flycatcher data. Report submitted to U.S. Fish and Wildlife Service, TE-676811.
Unitt, P. 1987. Empidonax traillii extimus: an endangered subspecies. Western Birds 18:137-162.
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Smith, J. and K. Johnson. 2009. Water requirements for SouthwesternWiillow Flycatcher habitat and nesting at the Pueblo of Isleta. Natural Heritage New Mexico Publ. No. 09-GTR-341. Natural Heritage New Mexico, University of New Mexico, Albuquerque, NM. 40