Unitt, P. 1987. Empidonax traillii extimus: an endangered subspecies. Western Birds 18:137-162.

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Ligon, J.S.. 1961. New Mexico birds and where to find them. Univ. of New Mexico Press.

• Meleagris gallopavo mexicana
• Wyoming feverfew
• Buteo regalis
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• GOULD'S WILD TURKEY

Oberholser, H.C. 1974. The bird life of Texas. Vol 1 & 2. Univ Texas Press, Austin, Texas.

Christman, B. 2002. Excel spreadsheet of amphibian localities at the Ladder Ranch and adjacent Gila National Forest lands. . 2 p.

Stoleson, S. H. 2002. Datasheet summarizing numbers of southwestern willow flycatcher breeding pairs in multiple patches along the Gila River in the Cliff-Gila Valley between 1994-2001.

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Sadoti, G.C. 2003. SITES Database: Southwestern Willow Flycatcher and Yellow-billed Cuckoo Habitat on White Sands Missile Range.

Park, B. 2013. Gila National Forest GIS wildlife data. Gila National Forest, U.S. Forest Service.

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Ryan, V. 2013. New Mexico database of Southwestern Willow-Flycatcher locations, 1993-2013. NM SWWF Working Group.

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Gatlin, J. 2015. Survey locations and detections of sensitive birds. Carson National Forest, U.S. Forest Service.

• Mexican Spotted Owl
• Strix occidentalis lucida
• Southwestern Willow Flycatcher
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• Accipiter gentilis

Inslee, Ashley. 2012. Bosque del Apache National Wildlife Refuge Southwestern Willow Flycatcher data. Report submitted to U.S. Fish and Wildlife Service, TE-676811.

• Southwestern Willow Flycatcher
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SWCA Environmental Consultants. 2012. Spreadsheet of Southwestern willow flycatcher (Empidonax traillii extimus) observations. Annual report submitted to U.S. Fish and Wildlife Service, Section 10 TE-028605-0.

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Inslee, A. 2013. Flycatcher surveys at Bosque del Apache National Wildlife Refuge. Report to U.S. Fish and Wildlife Service, Section 10 TE-676811.

• Bosque del Apache, NWR
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Inslee, A. 2014. Surveys for Yellow-billed Cuckoo and Southwestern Willow Flycatcher. Bosque del Apache National Wildlife Refuge.

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• Coccyzus americanus
• Southwestern Willow Flycatcher
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Kutz, J. 2014. Annual threatened and endangered species research and recovery report. Submitted to U.S. Fish and Wildlife Service, TE-053083. Daniel B. Stephens & Associates, Inc.

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Gatlin, J. 2015. Report of flycatcher detections in suitable habitat on Carson National Forest. U.S. Forest Service, Carson National Forest, TE-839848.

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Balistreri, M. 2016. Southwestern Willow Flycatcher Survey. FWS.

• Southwestern Willow Flycatcher
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Griffin, D.J. 2016. Results of Southwestern Willow Flycatcher and Yellow-Billed Cuckoo surveys in New Mexico. Griffin Biological Services.

• Empidonax traillii extimus
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• Coccyzus americanus
• Yellow-billed Cuckoo

Sanchez, J. 2016. Monitoring activity for listed species at Bosque del Apache National Wildlife Refuge. U.S. Fish and Wildlife Service.

• Zapus hudsonius luteus
• New Mexico meadow jumping mouse
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• Coccyzus americanus
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Hartsough, M.J. 2016. Surveys to detect Southwestern Willow Flycatcher. White Sands Missile Range.

Carson National Forest. 2018. Annual FWS permit report for the Southwest Willow Flycatcher. Submitted by Francisco Cortez. Fish and Wildlife Service (FWS) Permit TE839848-2.

• Southwestern Willow Flycatcher
• Empidonax traillii extimus
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Hummel, O. 2018. Tetra Tech survey data on WIFL and YBCU from Socorro and Isleta.

• Yellow-billed Cuckoo
• Southwestern Willow Flycatcher
• Yellow-billed Cuckoo
• Southwestern Willow Flycatcher
• Yellow-billed Cuckoo
• Southwestern Willow Flycatcher

Meyer, Raymond. 2018. Survey data for Aplomado falcon and SW Willow flycatcher across Fort Bliss, Dona Ana County, Grant County, Luna County, Sierra County, Gila River Lower Box performed by La Tierra Consutling.

Sanchez, J. 2019. Permit report data from Bosque del Apache NWR.

• Bosque del Apache, NWR
• New Mexico meadow jumping mouse
• Southwestern Willow Flycatcher
• Western Yellow-billed Cuckoo

Rustay, C. 2000. Datasheets for Willow Flycatcher surveys on BLM Rio Puerco Resource Area. Hawks Aloft, Inc.

• Southwestern Willow Flycatcher
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Hawks Aloft, Inc. 2001. Data sheets for Willow Flycatcher surveys on the BLM Rio Puerco Resource Area.

• Southwestern Willow Flycatcher
• Empidonax traillii extimus

Hawks Aloft, Inc. 2003. Willow Flycatcher data sheets for surveys on BLM Rio Puerco Resource Area.

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Cook, C. 2013. Permits West, Inc. field survey forms for Mexican Spotted Owl and Southwestern Willow Flycatcher. Submitted to U.S. Fish and Wildlife Service, TE67491-A.

• Mexican Spotted Owl
• Strix occidentalis lucida
• Southwestern Willow Flycatcher
• Empidonax traillii extimus
• Mexican Spotted Owl
• Strix occidentalis lucida
• Southwestern Willow Flycatcher
• Empidonax traillii extimus

Stahlecker, D. 1996. Willow flycatcher and raptor survey data sheets for work on the BLM Rio Puerco Resource Area. For U.S. Fish and Wildlife Service.

• Southwestern Willow Flycatcher
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• Golden Eagle
• Pinyon jay
• Gymnorhinus cyanocephalus

Williams, S.O. 1996. Data sheets for Willow Flycatcher surveys on BLM land. New Mexico Department of Game and Fish.

• Southwestern Willow Flycatcher
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Silva, J.B. 1997. Willow Flycatcher survey datasheets for the Rio Puerco Resource Area. Bureau of Land Management.

• Southwestern Willow Flycatcher
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Mehlhop, P. 1999. Willow Flycatcher survey and detection form with data from San Marcial Condo site. 11 p.

• Empidonax traillii extimus

National Audubon Society. American Birds. 1947-present. Was Audubon field notes from 1947-1970.

• Amazilia violiceps
• Cypseloides niger
• Sterna forsteri
• BLACK SWIFT
• ELEGANT TROGON
• FORSTER'S TERN
• NORTHERN BEARDLESS-TYRANNULET
• WILSON'S PHALAROPE

Various. 1962-present. Bird occurences recorded by the New Mexico Ornithological Society. New Mexico Ornithological Society. Field notes. .

Cleary, D. 1993. Photocopy of Zuni USGS 7.5' quad map with locations of Empidonax traillii extimus around Black Rock Reservoir.

• Empidonax traillii extimus

Oldham, M. 1993. Map of SW Willow flycatcher survey sites at Bosque del Apache NWR in summer of 1993. Attached to a letter sent to S.O. Williams III, at NM Dept Game and Fish.

• Empidonax traillii extimus

Moore, D. and Ahlers, D. 2008. 2007 Southwestern Willow Flycatcher Study Results: Selected Sites Along the Rio Grande from Velarde to Elephant Butte Reservoir, New Mexico. Prepared for the Bureau of Reclamation Albuquerque Area Office.

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Whittier, J., C. Paukert, and K. Pitts. Lower Colorado River Basin Aquatic Gap Analysis Project, Progress Report. 2008. U.S. Geological Survey, Kansas Cooperative Fish and Wildlife Research Unit, and Division of Biology, Kansas State University. 21 p.

Cleary, D. P.O. Box 1045, Zuni, 87327, NM.

• Empidonax traillii extimus

Mehlman, D.W. Department of Biology, University of New Mexico, Albuquerque, NM 87131. Phone: (505)277-3411.

• Melozone aberti
• ABERT'S TOWHEE
• EASTERN BLUEBIRD

Mehlhop, P., Ph.D., zoologist, director NMNHP, 851 University Blvd. SE, Suite 101, Albuquerque, NM 87131, (505) 272-3545.

Runyan, N. 1992-1995. Currently Conservation Information Systems Specialist at the Animas Foundation. HC65 Box 179-B. Animas NM 88020. Phone 505-548-2622.

Trochet, J.

Hummel, O. 2011. U.S. Army Corp of Engineers, Albuquerque District, annual Section 10 report of survey activities to U.S. Fish and Wildlife Service, Section 10 TE-797127. 52 p.

• Southwestern Willow Flycatcher
• Rio Grande silvery minnow

Keller, D.C. 2011. Mexican spotted owl and Southwestern willow flycatcher surveys for the 2011-breeding season. Report to US. Fish and Wildlife Service, Section 10 TE-800892. 4 p.

• Mexican Spotted Owl
• Strix occidentalis lucida
• Southwestern Willow Flycatcher
• Empidonax traillii extimus

Kutz, J. 2011. Report of URS Corporation survey for Southwester Willow Flycatcher. Report to U.S. Fish and Wildlife Service, Section 10 TE-053083. 27p.

• Southwestern Willow Flycatcher

S25TEAKUNMUS, Legacy reference. Physical copy not yet located.

S25XXXSBNMUS, Legacy reference. Physical copy not yet located.

s39TWOCGNMUS, Legacy reference. Physical copy not yet located.

S64NILSBNMUS, Legacy reference. Physical copy not yet located.

S68XXXUSNMUS, Legacy reference. Physical copy not yet located.

• AMERICAN PIKA

S75SCHSBNMUS, Legacy reference. Physical copy not yet located.

Anderson, D.L. 2000. Specimen label information from White Sands Missile Range herbarium. 4 p.

• Tetradymia filifolia
• Chrysothamnus spathulatus
• Talinum longipes
• WSMR SBE
• GUADELUPE MOUNTAINS RABBIT-BUSH
• PINK FLOWER FLAMEFLOWER

Johnson, K. and H. Smith. 2000. Southwestern Willow Flycatcher surveys at Isleta Pueblo, New Mexico. Natural Heritage New Mexico Publ. No. 00-GTR-222. Natural Heritage New Mexico, University of New Mexico, Albuquerque, NM. 24 p.

• Southwestern Willow Flycatcher
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• Isleta
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• Link

Mehlhop, P. 2000. Status of the Southwestern Willow Flycatcher (Empidonax trailii extimus) on Coyote Creek, Mora County, New Mexico. Report to the New Mexico Department of Game and Fish, Santa Fe, NM.

• Empidonax traillii extimus

Stoleson, S.H and D. M. Finch. 2000. Southwestern willow flycatchers in the Cliff-Gila Valley, New Mexico: Landscape-level effects on density, reproduction, and cowbird parasitism. Draft summary report for the 2000 field season. . 26 p.

• riparian vegetation
• Southwestern Willow Flycatcher
• Gila
• Grant County
• HABITAT
• breeding territories
• Cowbird parasitism
• Empidonax traillii extimus

Schwarz, H. R. 2000. Y-2000 SWWF report for the Cibola National Forest.

• Empidonax traillii extimus
• Zuni Mountains
• Manzano mountains
• Cibola National Forest

Hawks Aloft, Inc. 2002. Southwestern Willow Flycatcher Surveys: Annual Report. 20 p.

• Southwestern Willow Flycatcher
• Empidonax traillii extimus
• Pinyon jay
• Gymnorhinus cyanocephalus
• juniper titmouse
• Baeolophus ridgwayi

Hawks Aloft, Inc. 2002. Field inventory of breeding birds in the Albuquerque Resource Area. 52 p.

Stoleson, S. H. and D. M. Finch. 2002. Southwest willow flycatchers in the Cliff-Gila Valley, New Mexico: survey results, nest monitoring, and a preliminary analysis of willow flycatcher diet. Draft summary report for the 2001 field season.. . 18 p.

• Southwestern Willow Flycatcher
• Empidonax traillii extimus
• Flycatcher diet
• Gila River
• Cliff-Gila Valley
• Cowbird parasitism

Hawks Aloft, Inc. 2005. Willow Flycatcher surveys at Bluewater Canyon, Lost Valley, and San Ysidro, New Mexico. 41 p.

• Southwestern Willow Flycatcher
• Empidonax traillii extimus
• Pinyon jay
• Gymnorhinus cyanocephalus

Hawks Aloft, Inc. 2005. Field inventory of breeding birds at seven riparian sites in Cibola and Sandoval Counties, New Mexico. 31 p.

Smith, J. and K. Johnson. 2005. Southwestern willow flycatcher nesting success, cowbird parasitism, and habitat characteristics at the Pueblo of Isleta, New Mexico. Natural Heritage New Mexico Publ. No. 05-GTR-283. Natural Heritage New Mexico, University

• Link

Hawks Aloft, Inc. 2006. Willow Flycatcher surveys at Bluewater Canyon, Lost Valley, and San Ysidro, New Mexico.

• Empidonax traillii extimus
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Smith, J. and K. Johnson. 2006. Southwestern willow flycatcher nesting success, cowbird parasitism, and habitat characteristics at the Pueblo of Isleta, New Mexico. Natural Heritage New Mexico Publ. No. 06-GTR-306. Natural Heritage New Mexico, University

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Smith, J. and K. Johnson. 2007. Water requirements for Southwestern Willow Flycatcher habitat and nesting at the Pueblo of Isleta. Natural Heritage New Mexico Publ. No. 07-GTR-315. Natural Heritage New Mexico, University of New Mexico, Albuquerque, NM. 3

• Link

Bureau of Reclamation. 2008. Southwestern Willow Flycatcher detections through June 13, 2008.

• Southwestern Willow Flycatcher
• Empidonax traillii extimus
• Bureau of Reclamation
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Smith, J. and K. Johnson. 2008. Water requirements for Southwestern Willow Flycatcher habitat and nesting at the Pueblo of Isleta. Natural Heritage New Mexico Publ. No. 08-GTR-329. Natural Heritage New Mexico, University of New Mexico, Albuquerque, NM. 45

• Link

Chavez, A. and M. Ramsey. 2009. Southwestern Willow Flycatcher surveys at Bluewater Canyon, Lost Valley, and San Ysidro, NM in the BLM Rio Puerco Field Office. Bureau of Land Management. 60 p.

• Southwestern Willow Flycatcher
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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

• Willow Flycatcher
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• Empidonax traillii extimus
• Isleta Pueblo
• HABITAT
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Chavez, A. and Ramsey, M. 2010. 2009 Southwest Willow Flycatcher Surveys at Bluewater Canyon, Lost Valley and San Ysidro, NM in the BLM Rio Puerco Field Office.

• Southwestern Willow Flycatcher
• Empidonax traillii extimus
• Bureau of Land Management
• Lost Valley
• Wilson Canyon

Hawks Aloft, Inc. 2010. 2010 Willow Flycatcher Surveys at Bluewater Canyon, Lost Valley, San Ysidro, and Wilson Canyon, New Mexico. Submitted to the Bureau of Land Management Albuquerque Field Office, October 2010.

• Willow Flycatcher
• Southwestern Willow Flycatcher
• Empidonax traillii extimus
• Hawks Aloft
• Bureau of Land Management
• Wilson Canyon
• Lost Valley

Hawks Aloft, Inc. 2010. Breeding Bird Surveys at seven riparian sites in the Bureau of Land Management, Albuquerque Resource Area.

Schwarz, H.R. 2013. Willow Flycatcher survey and detection form, Bluewater Creek. Cibola National Forest. 4p.

• Southwestern Willow Flycatcher
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Hummel, O. 2014. Endangered and threatened species recovery report. Submitted to U.S. Fish and Wildlife Service, TE-797127. Albuquerque District, Army Corps of Engineers. 73 p.

• Rio Grande silvery minnow
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• Empidonax traillii extimus

Gatlin, J. and Abeyta, A. 2014. Surveys for Southwestern Willow Flycatcher on Carson National Forest. TE839848-0.

• Southwestern Willow Flycatcher
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• Southwestern Willow Flycatcher
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Hummel, O. 2015. Annual report of Rio Grande silvery minnow and Southwestern Willow Flycatcher monitoring. U.S. Army Corp of Engineers. 34 p.

• Rio Grande silvery minnow
• Hybognathus amarus
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Keller, D. 2016. Southwestern Willow Flycatcher permit report, TE-230274. Los Alamos National Laboratory.

• Empidonax traillii extimus
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Keller, D. 2017. Southwestern willow flycatcher surveys for the 2017-breeding season.

• Southwestern Willow Flycatcher
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• Mexican Spotted Owl
• Strix occidentalis lucida

Hudson, H. 2020. RE: Heritage Data Website Updated. Email correspondence from USFS.

Egbert, J. 1981. Field inventories in New Mexico of selected Gila Valley birds. May-June 1981.

• Pipilo aberti
• Vireo bellii arizonae
• Buteogallus anthracinus
• Empidonax traillii extimus
• Melanerpes uropygialis
• Melozone aberti
• ABERT'S TOWHEE

Hubbard, J.P. 1987. The vegetative communities and vertebrate fauna of the Gray Ranch Hidalgo County, New Mexico. Unpubl. manuscript for Endangered Species Program of New Mexico Dept. of Game and Fish, Santa Fe, NM. 82 pp.

• Ammodramus savannarum ammolegus
• ARIZONA GRASSHOPPER SPARROW

Hubbard, J.P. 1987. The status of the Willow flycatcher in New Mexico. Endangered Species Program, NM Dept. of Game and Fish. 29pp.

• Empidonax traillii extimus
• ACADIAN FLYCATCHER

Black, J. and R. Meyer. 1993. Summary of bird sighting in summer with summary by S.O. Williams III, NM Dept Game and Fish.

• Empidonax traillii extimus

Boucher, P. 1993. Personal communication by phone and electronic mail to S.O. Williams III regarding SW Willow flycatchers sighted along San Francisco River, NM. Information summarized by S.O. Williams III, NM Dept Game and Fish.

• Empidonax traillii extimus

Cleary, D. 1993. Personal communication to S.O. Williams regarding SW Willow flycatchers in NM. Information summarized by S.O. Williams.

• Empidonax traillii extimus

Cleary, D. 1993. Phone conversation with N.M. Runyan at NM Natural Heritage Program regarding breeding locations of SW Willow flycatcher on Zuni Indian Reservation.

• Empidonax traillii extimus

Kuykendall, B. 1993. Willow flycatcher survey detection and nest site data forms developed by Partners in Flight to establish occurrence of Empidonax traillii extimus in NM. Summary added by S.O. Williams III, NM Dept Game and Fish.

• Empidonax traillii extimus

Merhege, B. 1993. Willow flycatcher survey detection and nest site data forms developed by Partners in Flight to establish occurrence of Empidonax traillii extimus in NM. Summary added by S.O. Williams III, NM Dept Game and Fish.

• Empidonax traillii extimus

Milne, K. and J. Taylor. 1993. Willow flycatcher survey detection and nest site data forms developed by Partners in Flight to establish occurrence of Empidonax traillii extimus in NM. Summary added by S.O. Williams III, NM Dept Game and Fish.

• Empidonax traillii extimus

Romme, R.C. May 17, 24 and 26, 1993. Electronic mail message report for conversations with John Hubbard regarding locality of 1971 sighting of Southwestern Willow flycatcher.

• Empidonax traillii extimus

Rustay, C. 1993. Personal communication to S.O. Williams III about SW Willow flycatcher sightings at Los Ojos.

• Empidonax traillii extimus

Salazar, R. and D. Franks. 1993. Willow flycatcher survey detection and nest site data forms developed by Partners in Flight to establish occurrence of Empidonax traillii extimus in NM. Summary added by S.O. Williams III, NM Dept Game and Fish.

• Empidonax traillii extimus

Salazar, R. AND S. Desgeorges. 1993. Willow flycatcher survey detection and nest site data forms developed by Partners in Flight to establish occurrence of Empidonax traillii extimus in NM. Summary added by S.O. Williams III, NM Dept Game and Fish.

• Empidonax traillii extimus

Salazar, R. AND S. Desgeorges. 1993. Willow flycatcher survey detection and nest site data forms developed by Partners in Flight to establish occurrence of Empidonax traillii extimus in NM. Summary added by S.O. Williams III, NM Dept Game and Fish.

• Empidonax traillii extimus

Salazar, R. and M. Parsaca. 1993. Willow flycatcher survey detection and nest site data forms developed by Partners in Flight to establish occurrence of Empidonax traillii extimus in NM. Summary added by S.O. Williams III, NM Dept Game and Fish.

• Empidonax traillii extimus

Sandell, C. 1993. Willow flycatcher survey detection and nest site data forms developed by Partners in Flight to establish occurrence of Empidonax trailii extimus in NM, with summary done by S.O. Williams III, NM Dept Game and Fish.

• Empidonax traillii extimus

Schwarz, H. and D. Cleary. 1993. Willow flycatcher survey detection and nest site data forms developed by Partners in Flight to establish occurrence of Empidonax traillii extimus in NM. Summary added by S.O. Williams III, NM Dept Game and Fish.

• Empidonax traillii extimus
• Accipiter gentilis

Skaggs, K. 1993. Willow flycatcher survey detection and nest site data forms developed by Partners in Flight to establish occurrence of Empidonax traillii extimus in NM. Summary added by S.O. Williams III, NM Dept Game and Fish.

• Empidonax traillii extimus

Travis, J. 1993. Willow flycatcher survey detection and nest site data forms developed by Partners in Flight to establish occurrence of Empidonax traillii extimus in NM. Summary added by S.O. Williams III, NM Dept Game and Fish.

• Empidonax traillii extimus

Travis, J. 1993. Willow flycatcher survey detection and nest site data forms developed by Partners in Flight to establish occurrence of Empidonax traillii extimus in NM. Summary added by S.O. Williams III, NM Dept Game and Fish.

• Empidonax traillii extimus

Williams, S.O. 1993. Willow flycatcher survey detection and nest site data forms developed by partners in flight to establish occurrence of Empidonax traillii extimus in NM. Summary added by S.O. Williams III, NM Dept Game and Fish.

• Empidonax traillii extimus

Leal, D.A. 1994. Letter to Pat Mehlhop regarding SW Willow flycatcher sighting in 1993 and 1992 by the NM Cooperative Fish and Wildlife Research Unit.

• Empidonax traillii extimus

Maynard, W.R. 1994. Survey efforts in New Mexico for Southwestern Willow flycatcher. For New Mexico Department of Game and Fish, PO Box 25112, Santa Fe, NM 87504, Contract no. 94-516-69. 48p.

• Willow Flycatcher

Mehlhop, P. and P. Tonne. 1994. Results of surveys for the Southwestern Willow flycatcher- Rio Grande Floodway, San Acacia to Bosque Apache Unit, Socorro County, New Mexico. Unpubl. report by New Mexico Natural Heritage Program for U.S. Army Corps of Engi

• Empidonax traillii extimus

Mund, M.J. 1994. Survey for the Southwestern willow flycatcher, Empidonax traillii extimus, in the middle Rio Grande flood protection project area, Isleta Pueblo to south of Belen. Submitted to U.S. Army Corps of Engineers. . 26 p.

• Southwestern Willow Flycatcher
• Belen
• Empidonax traillii extimus
• Isleta

Salazar, Roberta and Gretchen Fitzgerald. 1994. Willow flycatcher survey detection and nest site data forms developed by Partners in Flight to establish occurrence of Empidonax traillii in NM. June 20,1994.

• Empidonax traillii extimus

Ahlers, D. and L. White. 1995. 1995 Southwestern Willow Flycatcher survey results; Selected sites along the Rio Grande from Velarde, New Mexico, to the headwaters of Elephant Butte Reservoir. 28 p. + app.

• Empidonax traillii extimus

Henry, A., P. Mehlhop, and C. Black. 1995. 1995 surveys for the Southwestern Willow flycatcher (Empidonax traillii extimus) near San Marcial, New Mexico. Unpubl. report by New Mexico Natural Heritage Program to the U.S. Army Corps of Engineers. 30 p.

• Vireo bellii
• Cowbird
• Empidonax traillii extimus

Howe, Bill. 1995. Letter to Janice Richardson. cc Sandy Williams.

• Empidonax traillii extimus

Mehlman, D. 1995. 1995 Survey for and habitat characteristics of the Southwestern Willow flycatcher, (Empidonax traillii extimus) in the Isleta-Belen reach of the Rio Grande, New Mexico. Submitted to U.S. Army Corps of Engineers.

• Empidonax traillii extimus

Ahlers, D. and White, L. 1996. Southwestern Willow flycatcher study results. Prepared by U.S Department of the Interior, Bureau of Reclamation. 91p. + appendices.

• Empidonax traillii extimus

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

• Empidonax traillii extimus

Skaggs, R.. 1996. The Common Black-Hawk (Buteogallus anthracinus) in Southwestern New Mexico: 1994-1995 Inventories.. Report for New Mexico game and fish department.. 14 p.

• Buteogallus anthracinus
• riparian
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Skaggs, R. 1996. Population size, breeding biology, and habitat of willow flycatchers in the Cliff-Gila Valley, New Mexico. . 38 p.

• territories
• Empidonax traillii extimus
• Southwestern Willow Flycatcher
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• Brown-headed Cowbird

Cooper, C.A. 1997. Statewide summary of 1996 surveys for Willow Flycatchers in New Mexico. Unpubl. Report for NM Dept. of Game and Fish. 8 p.

• Empidonax traillii extimus

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

Hawks Aloft, Inc. 1999. Annual report of Breeding Bird Surveys in the Rio Puerco Resource Area.

• Melanerpes lewis
• Lewis's Woodpecker
• Pinyon jay
• Gymnorhinus cyanocephalus
• Southwestern Willow Flycatcher
• Empidonax traillii extimus

Williams, S.O. 1999. Letter to P. Mehlhop with attached summary of Willow Flycatcher surveys in NM during 1993-1998 with maps of each site. 21 p.

• Empidonax traillii extimus