Colorado Plateau Research Station

Southwestern Willow Flycatcher Reports and Publications

Below are links to PDF versions of reports and journal articles dealing with the Southwestern Willow Flycatcher, including many agency reports and other unpublished products that can be difficult to find. All of these can be viewed and/or printed via Adobe Acrobat Reader. If you have trouble viewing these files, check (a) that Adobe Acrobat or Acrobat Reader is installed on your computer (see link below); and (b) the options settings of your browser allow PDF viewing. Depending on the fonts installed on your desktop system, some report fonts (especially titles and headings) may not display well on your monitor; generally, your computer will substitute other fonts when you print the document. Also, small formatting differences can occur when a document is converted to PDF formats, so page numbers and graphics for some (usually larger) reports may vary from the original. The publications and reports are grouped by year of release, in title alphabetical order. New items are highlighted by the following arrow.

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2008

• Southwestern Willow Flycatcher and Yellow-Billed Cuckoo Survey and Monitoring at Select Sites in Southern Nevada, 2007 Annual Report. March 2008. C. Klinger and B. Furtek. Nevada Department of Wildlife. 646 kb. This document provided courtesy of Nevada Division of Wildlife
• Southwestern Willow Flycatcher Final Survey and Nest Monitoring Report. 2008. Ellis, L.A., D.M. Weddle, S.D. Stump, H.C. English, and A.E. Graber. Arizona Game and Fish Department, Research Technical Guidance Bulletin #10. 6.2 Mbytes. The document produced by the Arizona Game and Fish Department, Phoenix, AZ.

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2007

• The Ecology of the Southwestern Willow Flycatcher in Central Arizona—a 10-year Synthesis Report. Paxton, E.H., M.K. Sogge, S.L. Durst, T.C. Theimer, and J.R. Hatten, 2007. USGS Open-File Report 2007-1381. This document produced by the U.S. Geological Survey. (4.5 Mb)
• Southwestern Willow Flycatcher 2006 Survey and Nest Monitoring Report. A.E. Graber, D. Weddle, H.C. English, S.D. Stump, H.E. Telle, and L.A.Ellis. March 2007. (2,948 kb) This document was produced by the Arizona Game and Fish Department. (2.8 MB)
• Southwestern Willow Flycatcher Breeding Site and Territory Summary – 2006. Durst, S.L., Sogge, M.K.,Stump, Shay D., Williams, Sartor O., Kus, Barbara E., and Sferra, Susan J., 2007. USGS Open-File Report 2007-1391. This document produced by the U.S. Geological Survey. (1.9 Mb)
• Southwestern Willow Flycatcher Surveys, Demography, and Ecology Along the Lower Colorado River and Tributaries, 2006. SWCA, Inc. March 2007. (30.6 Mb) This document was produced by SWCA, Inc.
• Southwestern Willow Flycatchers (Empidonax traillii extimus) In A Grazed Landscape: Factors Influencing Brood Parasitism. 2007. Brodhead, K.M., S.H. Stoleson and D.M. Finch. Auk 124:1213-1228. This article appears courtesy of The Auk. (359 Kb)
• Using a Remote Sensing/GIS Model to Predict Southwestern Willow Flycatcher Breeding Habitat along the Rio Grande, New Mexico. Hatten, J.R. and M.K. Sogge. 2007. USGS Open-File Report 2007-1207. (8.8 Mb).
• Willow Flycatcher Nonbreeding Territory Defense Behavior in Costa Rica. M.K. Sogge, T.J. Koronkiewicz, C. van Riper III, and S. Durst. This document occurs courtesy of The Condor, and appears there in Volume 109, pages 475-480. (183 KB)
• Winter Distribution of the Willow Flycatcher (Empidonax traillii) in Guatemala and Mexico. March 2007. J.G. Schuetz, M.J. Whitfield and V.A. Steen. This document produced by the Southern Sierra Research Station. (1.6 MB)

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2006

• 2006 Southwestern Willow Flycatcher Study Results Selected Sites Along the Rio Grande From Velarde to Elephant Butte Reservoir, New Mexico. D. Moore and D. Ahlers. This document produced by the U.S. Bureau of Reclamation. (3.29 MB)
• Floating mist nets: a technique for capturing birds in flooded habitat. M.G. Pollock and E.H. Paxton. This document published in the Journal of Field Ornithology. (45.5 KB)
• Southwestern Willow Flycatcher 2005 Survey and Nest Monitoring Report. H.C. English, A.E. Graber, S.D. Stump, H.E. Telle, and L.A.Ellis. March 2006. (2,948 kb) This document was produced by the Arizona Game and Fish Department.
• Southwestern Willow Flycatcher breeding site and territory summary - 2005. S.D. Durst, M.K. Sogge, H. English, S.O. Williams, B.E. Kus and S.J. Sferra. USGS Southwest Biological Science Center report. October 2006. This document produced by the U.S. Geological Survey. (92 KB)
• Southwestern Willow Flycatcher Surveys, Demography, and Ecology Along the Lower Colorado River and Tributaries, 2005. SWCA, Inc. February 2006. (38,400 kb) This document was produced by SWCA, Inc.
• Territoriality, site fidelity, and survivorship of Willow Flycatchers wintering in Costa Rica. T.J. Koronkiewicz, M.K. Sogge, C van Riper III, and E.H. Paxton. This document provided courtesy of the journal The Condor. (289 KB)
• Winter Distribution of the Willow Flycatcher (Empidonax traillii) in Ecuador and Southern Mexico. March 2006. C. Nishida and M.J. Whitfield. This document produced by the Southern Sierra Research Station. (1.7 MB)

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2005

• A technique for aluminum color-bands for avian research. T.J. Koronkiewicz, E.H. Paxton and M.K. Sogge. 2005. Journal of Field Ornithology 76:94-97. (922 kb)
• Assessing Variation of Plumage Coloration within the Willow Flycatcher: A Preliminary Analysis. E.H. Paxton, C.F. Causey, T.J. Koronkiewicz, M.K. Sogge, M.J. Johnson, M.A. McLeod, P. Unitt, and M.J. Whitfield. August 2005. (315 kb) This document was produced by the U.S. Geological Survey.
• Conservation of Southwestern Willow Flycatchers: Home Range and Habitat Use by an Endangered Passerine. S.N. Cardinal. August 2005. (1,142 kb) Masters Thesis, Northern Arizona University. Appendix 2 is provided as a separate file (5,005 kb).
• Designation of Critical Habitat for the Southwestern Willow Flycatcher (Empidonax traillii extimus); Final Rule. U.S. Fish and Wildlife Service. October 19, 2005. (1,600 kb)From the Federal Register (50 CFR Part 17). Additional materials regarding this designation are available at the USFWS web site: http://www.fws.gov/arizonaes/SWWF_CH_Oct05.htm
• Habitat and Sex Differences in the Physiological Condition of Southwestern Willow Flycatchers (Empidonax traillii extimus). J.C. Owen, M.K. Sogge and M.D. Kern. 2005. (115 kb) This document appears courtesy of the journal The Auk (Auk 122(4):1261-1270).
• Home Range, Movement, and Habitat Use of the Southwestern Willow Flycatcher, Roosevelt Lake, AZ - 2004. S .N. Cardinal and E.H. Paxton. February 2005. (2.47 Mb) This document was produced by the U.S. Geological Survey.
• Home range, Movement, and Habitat Use of the Southwestern Willow Flycatcher, Roosevelt Lake, AZ - 2005. S. Cardinal, E.H. Paxton, and S.L. Durst. This document produced by the U.S. Geological Survey. (336 KB)
• Mono Basin Willow Flycatcher Project 2005 Progress Report. C. McCreedy. November 2005. (1,259 kb) This document was produced by the Point Reyes Bird Observatory.
• Saltcedar and the Southwestern Willow Flycatcher: Lessons from Long-term Studies in Central Arizona. M.K. Sogge, E.H. Paxton and A.A Tudor. ( 980 kb). As published on CD ROM in:
  Aguirre-Bravo, Celedonio, and others. Eds. 2005. Monitoring science and technology symposium: unifying knowledge for sustainability in the Western Hemisphere. 2004 September 20-24; Denver, CO. Proceedings RMRS-P037CD. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. CD-ROM.
• Southwestern Willow Flycatcher 2004 Survey and Nest Monitoring Report. O.M. Munzer, H.C. English, A.B. Smith, and A.A. Tudor. March 2005. (1,533 kb) This document was produced by the Arizona Game and Fish Department.
• Southwestern Willow Flycatcher Breeding Site and Territory Summary - 2003. S .L. Durst, M.K. Sogge, A.B. Smith, S.O. Williams, B.E. Kus, and S.J. Sferra. February 2005. (70 kb) This document was produced by the U.S. Geological Survey.
• Southwestern Willow Flycatcher Breeding Site and Territory Summary - 2004. S .L. Durst, M.K. Sogge, H. English, S.O. Williams, B.E. Kus, and S.J. Sferra. December 2005. (85 kb) This document was produced by the U.S. Geological Survey.
• Southwestern Willow Flycatcher Habitat Selection along the Gila and Lower San Pedro Rivers, Arizona: Vegetation Change and Hydrogeomorphic Considerations. C.E. Paradzick. May 2005. (2,527 kb) Masters Thesis, Arizona State University.
• Southwestern Willow Flycatcher Survey and Nest Monitoring Along the Verde River from Sheep's Bridge to the Fort McDowell Indian Reservation Boundary, Maricopa and Yavapai Counties, Arizona. P.E.T. Dockens and T.C. Ashbeck. November 2005. (9.444 Mbytes) This document was produced by EcoPlan Associates, Inc.
• Southwestern Willow Flycatcher Surveys, Demography, and Ecology Along the Lower Colorado River and Tributaries, 2004. SWCA, Inc. April 2005. (69,135 kb) This document was produced by SWCA, Inc.
• Southwestern Willow Flycatcher Surveys, Demography, and Ecology Along the Lower Colorado River and Tributaries - 2003 and 2004 Reports Addendum. SWCA, Inc. April 2005. (5,764 kb) This document was produced by SWCA, Inc.
• Status and Monitoring of Southwestern Willow Flycatchers within Elephant Butte Reservoir, New Mexico. D. Moore. December 2005. (8.482 Mbytes) This document was produced by the U.S. Bureau of Reclamation, Denver Technical Service Center.
• Survivorship and Movements of Southwestern Willow Flycatchers at Roosevelt Lake, Arizona - 2004. P.J. Newell, E.H. Paxton, and M.K. Sogge. February 2005. (739 kbytes). This document was produced by the U.S. Geological Survey.
• Survivorship and Movements of Southwestern Willow Flycatchers at Roosevelt Lake, Arizona - 2005. C.F. Causey, S.L. Durst, P.J. Newell, M.G. Pollock, E.H. Paxton, and M.K. Sogge. This document produced by the U.S. Geological Survey. (1.39 MB)
• Winter Distribution of the Willow Flycatcher (Empidonax traillii) in Ecuador and Southern Mexico: 2004 C. Nishida and M.J. Whitfield. This document produced by the Southern Sierra Research Station. (2.3 Mb)

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2004

• Atypical Willow Flycatcher Nesting Sites in a Recovering Riparian Corridor at Mono Lake, California. C. McCreedy and S.K. Heath. (197 kb) Western Birds 35:197-209. This document appears courtesy of the journal Western Birds.
• Brown-headed Cowbird Management Techniques Manual. R. Siegle and D. Ahlers. 2004. (2,824 kb) This document was produced by the U.S. Bureau of Reclamation, Ecological Planning and Assessment, Technical Service Center, Denver. This document reviews cowbird impacts on many species (including the Willow Flycatcher).
• Home Range, Movement, and Habitat Use of Willow Flycatchers, Fish Creek, Utah - 2003. A.V. Bakian and E.H. Paxton. (2 Mb).
• Least Bell's Vireos and Southwestern Willow Flycatchers in Prado Basin of the Santa Ana River Watershed, CA. J. Pike, D. Pellegrini, L. Hays and R. Zembal. 2004. (130 kb) This document was produced by the Orange County Water District and U.S. Fish and Wildlife Service.
• Mapping and Monitoring Southwestern Willow Flycatcher Breeding Habitat in Arizona: A Remote Sensing Approach. P.E.T. Dockens and C.E. Paradzick. March 2004. (9,697 kb)This document was produced by the Arizona Game and Fish Department. A copy of the CD, showing Chapter 2 Results - Statewide Mapping, can be obtained through the Arizona Game and Fish Department, Nongame Branch (602) 789-3500
• Southwestern Willow Flycatcher 2003 Survey and Nest Monitoring Report. A.B. Smith, P.E.T. Dockens, A.A. Tudor, H.C. English, B.L. Allen. March 2004. (574 kb) This document was produced by the Arizona Game and Fish Department.
• Southwestern Willow Flycatcher Potential Prey Base and Diet in Native and Exotic Habitats. S.L. Durst. December 2004. (851 kb) Masters Thesis, Northern Arizona University.
• Southwestern Willow Flycatcher and Yellow-billed Cuckoo Surveys on Spur Land and Cattle Company Property, Camp Verde, AZ - 2004. M.K. Sogge, M.J. Johnson, and K.L. English. 2004. (2,099 kb).
• Southwestern Willow Flycatcher Surveys Along the Virgin River Near Mesquite, Nevada, 2004. SWCA, Inc.. August 2004. (50.7 Mb) This document was produced by SWCA, Inc.
• Southwestern Willow Flycatcher Surveys, Demography, and Ecology Along the Lower Colorado River and Tributaries, 2003. SWCA, Inc.. March 2004. (69,141 kb) This document was produced by SWCA, Inc.
• Survivorship and Movements of Southwestern Willow Flycatchers at Roosevelt Lake, Arizona - 2004. P.J. Newell, C. Causey, M. Pollock, E.H. Paxton, and M.K. Sogge. This document produced by the U.S. Geological Survey. (1 MB)

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2003

• A multiscaled model of Southwestern Willow Flycatcher breeding habitat. J.R. Hatten and C.E. Paradzick. (1,008 kbytes). This publication is available for download with permission of the The Wildlife Society, and was originally published in the Journal of Wildlife Management volume 67 (2003), pages 774-788.
• Ecology and Conservation of the Willow Flycatcher; published through Studies in Avian Biology. View/download the Table of Contents and Literature Cited sections.
• Southwestern Willow Flycatcher 2002 Survey and Nest Monitoring Report. A.B. Smith, A.A. Woodward, P.E.T. Dockens, J.S. Martin, and T. D. McCarthey. March 2003. (548 kb) This document was produced by the Arizona Game and Fish Department.
• Southwestern Willow Flycatcher Breeding Site and Territory Summary - 2002. M.K. Sogge, P. Dockens, S.O. Williams, B.E. Kus, and S.J. Sferra. October 2003. (198 kb) This document was produced by the U.S. Geological Survey.
• Survivorship and Movements of Southwestern Willow Flycatchers at Roosevelt Lake, Arizona - 2003. P.J. Newell, E.H. Paxton, and M.K. Sogge. December 2003. (739 kbytes). This document was produced by the U.S. Geological Survey.

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2002

• An Aging Guide for Willow Flycatchers. 2002. Paxton, E.H. and J.C. Owen. This document produced by the U.S. Geological Survey. (1.4 MB). NOTE: This guide is formatted for double-sided printing to produce a half-sized booklet
• A Quantitative Analysis of the Diet of Southwestern Willow Flycatchers in the Gila Valley, New Mexico. L.S. DeLay, S.H. Stoleson and M. Farnsworth. March 2002. (650 kb) This document produced by the New Mexico Natural Heritage Program.
• Contaminants in Southwestern Willow Flycatcher eggs and prey items, Arizona, 1998-2000. K.A. King, A.L. Velasco, J.W. Rourke and J. Wesley. July 2002. (257 kb) This document produced by the U.S. Fish and Wildlife Service, Phoenix.
• Interspecific Territoriality and Site Fidelity of Wintering Willow Flycatchers (Empidonax traillii) in Costa Rica. T.J. Koronkiewicz. May 2002. (1,297 kb) Masters Thesis, Northern Arizona University.
• Nestling Sex Ratio in the Southwestern Willow Flycatcher. E.H. Paxton, M.K. Sogge, T.D. McCarthey and P. Keim. (998 kb) This document is available for download with permission of the Cooper Ornithological Society, and was originally published in the journal The Condor.
• Physiological Condition of Southwestern Willow Flycatchers in Native and Exotic Habitats. J.C. Owen and M.K. Sogge. September 2002. (180 kb). This report produced by the USGS Southwest Biological Science Center.
• Polygyny and extra-pair paternity in a population of southwestern willow flycatchers (Empidonax traillii extimus). T. Pearson. 2002. (283 kb). MS Thesis, Northern Arizona University.
• Southwestern Willow Flycatcher 2001 Survey and Nest Monitoring Report. A.B. Smith, C.E. Paradzick, A.A. Woodward, P.E.T. Dockens, and T. D. McCarthey. March 2002. (558 kb) This document was produced by the Arizona Game and Fish Department.
• Southwestern Willow Flycatcher Breeding Site and Territory Summary - 2001. M.K. Sogge, S.J. Sferra, T. D. McCarthey, S.O. Williams, and B.E. Kus. October 2002. (212 kb) This document produced by the U.S. Geological Survey
• Survivorship and Movements of Southwestern Willow Flycatchers at Roosevelt Lake, Arizona - 2002. T.J. Koronkiewicz, S.N. Cardinal, M.K. Sogge and E. H. Paxton. This document produced by the U.S. Geological Survey. (696 KB)

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2001

• A Targeted Mist Net Capture Technique for the Willow Flycatcher. M.K. Sogge, J.C. Owen, E.H. Paxton, S.M. Langridge and T.J. Koronkiewicz. 2001. (605 kb) Published in, and made available here courtesy of, Western Birds (Volume 32, pp 167-172).
• Food Habits of the Endangered Southwestern Willow Flycatcher. C.A. Drost, E.H. Paxton, M.K. Sogge and M.J. Whitfield. Jan. 2001. (364 kb) This document produced by the U.S. Geological Survey
• Southwestern Willow Flycatcher 2000 Survey and Nest Monitoring Report. C.E. Paradzick, T. D. McCarthey, R.F. Davidson, J.W. Rourke, M.W. Sumner and A.B. Smith. February 2001. (791 kb) This document was produced by the Arizona Game and Fish Department.
• Southwestern Willow Flycatcher Breeding Site and Territory Summary - 2000. M.K. Sogge, S.J. Sferra, T. D. McCarthey, S.O. Williams, and B.E. Kus. November 2001. (198 kb) This document produced by the U.S. Geological Survey
• Southwestern Willow Flycatchers Recaptured at Wintering Sites in Costa Rica. T.J. Koronkiewicz and M.K. Sogge. 2001. (176 kb). Published in, and made available here courtesy of, North American Bird Bander (Volume 26, pp 161-162).
• Survivorship and Movements of Southwestern Willow Flycatchers at Roosevelt Lake, Arizona - 2001. K.E. Kenwood and E.H. Paxton. December 2001 (1,081 kb) This document produced by the U.S. Geological Survey

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2000

• A Summary of Observed Physical Deformities in the Willow Flycatcher: 1996-2000. M.K. Sogge and E.H. Paxton. Nov. 2000. (213 kb) This document produced by the U.S. Geological Survey
• Banding and Genetic Sampling of Willow Flycatchers in North Carolina - 2000. M.K. Sogge. Dec. 2000. (652 kb) This document produced by the U.S. Geological Survey
• Banding and Genetic Sampling of Willow Flycatchers in Tennessee - 2000. M.K. Sogge. Dec. 2000. (1869 kb) This document produced by the U.S. Geological Survey
• Molecular Genetic Structure and Demographic History of the Willow Flycatcher (Empidonax traillii). E.H. Paxton. M.S. Thesis, Northern Arizona University. (2.37 MB)
• Status, ecology, and conservation of the Southwestern Willow Flycatcher. 2000. D. Finch and S. Stoleson, editors. U.S. Forest Service Rocky Mountain Research Station GTR - 60. This document is downloadable via the web site of the U.S. Forest Service Rocky Mountain Research Station.
• Survivorship and Movements of Southwestern Willow Flycatchers in Arizona - 2000. J. Luff, E.H. Paxton, K. Kenwood and M.K. Sogge. October 2000. (640 kb) This document produced by the U.S. Geological Survey
• Willow Flycatcher Winter Ecology in Costa Rica: 1999/2000. T.J. Koronkiewicz and M.K. Sogge. Dec.2000. (2046 kb) This document produced by the U.S. Geological Survey

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1999

• Costs of Brown-headed Cowbird Parasitism to Willow Flycatchers. J.A. Sedgwick and W.M. Iko. Studies in Avian Biology 18:167-181. 1999. This document made available courtesy of Studies in Avian Biology (http://elibrary.unm.edu/sora/Condor/cooper/sab.php). (1.2 MB)
• Range-wide impacts of brown-headed cowbird parasitism on the southwestern willow flycatcher (Empidonax traillii extimus). M.J. Whitfield and M.K. Sogge. Studies in Avian Biology 18:182-190. 1999. This document made available courtesy of Studies in Avian Biology (http://elibrary.unm.edu/sora/Condor/cooper/sab.php)
• Southwestern Willow Flycatcher Nest Monitoring Protocol. J.W. Rourke, T.D. McCarthey, R.F. Davidson and A.M. Santagniello. May 1999. (2,046 kb) This document was produced by the Arizona Game and Fish Department.

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1998

• Banding and genetic sampling of Willow Flycatchers in Utah: 1997 and 1998. S.M. Langridge and M.K. Sogge. USGS Colorado Plateau Research Station report to the U.S. Bureau of Reclamation. 1998. This document produced by the U.S. Geological Survey. (5.17 MB)

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1997

• Banding and Genetic Sampling of Willow Flycatchers in Colorado - 1996 & 1997 Summary Report. J.C. Owen and M.K. Sogge. USGS Colorado Plateau Research Station report. 1997. This document produced by the U.S. Geological Survey. (2.97 MB)
• Langridge, S.M. and M.K. Sogge. 1997. Banding of the Southwestern Willow Flycatcher in the White Mountains. U.S. Geological Survey, Colorado Plateau Field Station report. (637 KB)
• A Southwestern Willow Flycatcher Natural History Summary and Survey Protocol. Sogge, M.K., R.M. Marshall, T.J. Tibbitts and S.J. Sferra. 1997. National Park Service Technical Report NPS/NAUCPRS/NRTR-97/12
• Status and breeding ecology of the Southwestern Willow Flycatcher in the Grand Canyon. Sogge, M.K., T.J. Tibbitts and J. Petterson. 1997. Western Birds 28:142-157. This document appears courtesy of the journal Western Birds. (842 KB)

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1996

• Petterson, J.R. and M.K. Sogge. 1996. Distribution and breeding productivity of the Southwestern Willow Flycatcher along the Colorado River in the Grand Canyon - 1996. Summary Report. Grand Canyon National Park and National Biological Service, Colorado Plateau Research Station/Northern Arizona University. (1.76 MB)
• Southwestern Willow Flycatcher response to catastrophic habitat loss. Paxton, E.H., J. Owen and M.K. Sogge. 1996. Report by the USGS Colorado Plateau Research Station, Flagstaff, AZ. (1.1 MB)

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1995

• Southwestern Willow Flycatchers in the Grand Canyon. M.K. Sogge. Pages 89-91 in LaRoe, E.T., G.S. Farris, C.E. Puckett, P.D. Doran, and M.J. Mac, eds. 1995. Our living resources: a report to the nation on the distribution, abundance, and health of U.S. plants, animals, and ecosystems. U.S. Department of the Interior, National Biological Service, Washington, DC. 520 pp.. 1995. This document produced by the U.S. Geological Survey. (551 KB)
• Sogge, M.K. 1995. Southwestern Willow Flycatcher Surveys along the San Juan River, Utah: 1994- 1995. Final Report to the Bureau of Land Management, San Juan Resource Area. National Biological Service, Colorado Plateau Research Station/Northern Arizona University report. (1.62 MB)

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1994

• A Survey Protocol for the Southwestern Willow Flycatcher (Empidonax traillii extimus). Tibbitts, T.J., M.K. Sogge and S.J. Sferra. 1994. National Park Service Technical Report NPS/NAUCPRS/NRTR-94/04. (800 KB).
• Sogge, M.K. and T.J. Tibbitts. 1994. Distribution and Status of the Southwestern Willow Flycatcher along the Colorado River in the Grand Canyon - 1994. Summary Report. National Biological Service Colorado Plateau Research Station/Northern Arizona University and U.S. Fish and Wildlife Service, Phoenix. (1.62 MB)

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