Southern Sierra Research Station

...conserving biological diversity through research

SSRS Reports and Publications

2016

Yellow-billed Cuckoo Surveys in the South Fork Kern River Valley: 2016. Summary Report.

2015

Summary of Flycatcher/Vireo Population Surveys, monitoring and Brown-headed Cowbird control at the South Fork Wildlife Area, Kern County. Letter report to the U.S. Army Corps of Engineers, Sacramento, CA.

Yellow-billed Cuckoo Distribution, Abundance, and Habitat Use Along the Lower Colorado River: 2015. Report to the Bureau of Reclamation, Boulder City, NV.

Loop Migration by a Western Yellow-billed Cuckoo Wintering in the Gran Chaco Published in Western Birds.

Yellow-billed Cuckoo Surveys in the South Fork Kern River Valley: 2015. Summary Report.

2014

Summary of Flycatcher/Vireo Population Surveys, monitoring and Brown-headed Cowbird control at the South Fork Wildlife Area, Kern County. Letter report to the U.S. Army Corps of Engineers, Sacramento, CA.

Yellow-billed Cuckoo Distribution, Abundance, and Habitat Use Along the Lower Colorado River: 2014. Report to the Bureau of Reclamation, Boulder City, NV.

Yellow-billed Cuckoo Surveys in the South Fork Kern River Valley: 2014. Summary Report.

2013

Summary of Flycatcher/Vireo Population Surveys, monitoring and Brown-headed Cowbird control at the South Fork Wildlife Area, Kern County. Letter report to the U.S. Army Corps of Engineers, Sacramento, CA.

Yellow-billed Cuckoo Distribution, Abundance, and Habitat Use Along the Lower Colorado River: 2013. Report to the Bureau of Reclamation, Boulder City, NV.

Yellow-billed Cuckoo Distribution, Abundance, and Habitat Use Along the Lower Colorado River: 2008-2012 Summary. Report to the Bureau of Reclamation, Boulder City, NV.

Yellow-billed Cuckoo Surveys in the South Fork Kern River Valley: 2013. Summary Report.

2012

Summary of Flycatcher/Vireo Population Surveys, monitoring and Brown-headed Cowbird control at the South Fork Wildlife Area, Kern County. Letter report to the U.S. Army Corps of Engineers, Sacramento, CA.

Yellow-billed Cuckoo Distribution, Abundance, and Habitat Use Along the Lower Colorado River: 2012. Report to the Bureau of Reclamation, Boulder City, NV.

Yellow-billed Cuckoo Surveys in the South Fork Kern River Valley: 2012 Report to the U.S. Fish and Wildlife, Sacramento, CA.

2011

Flammulated Owl Surveys in Sequoia National Forest 2011. Report to the U.S. Fish and Wildlife, Sacramento, CA.

Summary of Flycatcher/Vireo Population Surveys, monitoring and Brown-headed Cowbird control at the South Fork Wildlife Area, Kern County. Letter report to the U.S. Army Corps of Engineers, Sacramento, CA.

Winter Distribution of Willow Flycatcher Subspecies. Published in The Condor.

Yellow-billed Cuckoo Distribution, Abundance, and Habitat Use Along the Lower Colorado River: 2011. Report to the Bureau of Reclamation.

2010

Summary of Flycatcher/Vireo Population Surveys, monitoring and Brown-headed Cowbird control at the South Fork Wildlife Area, Kern County. Letter report to the U.S. Army Corps of Engineers, Sacramento, CA.

Yellow-billed Cuckoo Distribution, Abundance, and Habitat Use Along the Lower Colorado River: 2010. Report to the Bureau of Reclamation, Boulder City, NV.

Yellow-billed Cuckoo Surveys in the South Fork Kern River Valley: 2010. Report to the U.S. Fish and Wildlife, Sacramento, CA.

2009

Southwestern Willow Flycatcher Monitoring and removal of Brown-headed Cowbirds on the South Fork Kern River in 2008. Report to the U.S. Army Corps of Engineers, Sacramento, CA.

Summary of Flycatcher/Vireo Population Surveys, monitoring and Brown-headed Cowbird control at the South Fork Wildlife Area, Kern County. Letter report to the U.S. Army Corps of Engineers, Sacramento, CA.

Yellow-billed Cuckoo Distribution, Abundance, and Habitat Use Along the Lower Colorado River: 2009. Report to the Bureau of Reclamation, Boulder City, NV.

Yellow-billed Cuckoo Surveys in the South Fork Kern River Valley: 2009. Report to the U.S. Fish and Wildlife, Sacramento, CA.

2008

Efficiency of stable isotope ratios in assigning endangered migrants to breeding and wintering sites. Published in Ecological Applications.

Southwestern Willow Flycatcher monitoring and removal of Brown-headed Cowbirds for the South Fork Kern River Valley in 2007. Report to the U.S. Army Corps of Engineers, Sacramento, CA.

Yellow-billed Cuckoo Distribution, Abundance, and Habitat Use Along the Lower Colorado River: 2008. Report to the Bureau of Reclamation, Boulder City, NV.

Winter Distribution of the Willow Flycatcher (Empidonax traillii) in Guatemala. Report to the U.S. Bureau of Reclamation, Boulder City, NV.

2007

Southwestern Willow Flycatcher monitoring and removal of Brown-headed Cowbirds for the South Fork Kern River Valley in 2006. Report to the U.S. Army Corps of Engineers, Sacramento, CA.

Winter Distribution of the Willow Flycatcher (Empidonax traillii) in Guatemala and Mexico. Report to U.S. Bureau of Reclamation, Boulder City, NV.

2006

Polygyny and extra-pair paternity in a population of Southwestern Willow Flycatchers. Published in the Condor.

Southwestern Willow Flycatcher monitoring and removal of Brown-headed Cowbirds for the South Fork Kern River Valley in 2005. Report to the U.S. Army Corps of Engineers, Sacramento, CA.

2005

Assessing variation of plumage coloration within the Willow Flycatcher: a preliminary analysis. U.S. Geological Survey Report.

Parasitism, Productivity, and Population Growth: Response of Least Bell's Vireos (EVireo bellii pusillusE) and Southwestern Willow Flycatchers (Empidonax traillii extimus) to Cowbird (Molothrus spp.) Control. Published in Ornthological Monographs.

Southwestern Willow Flycatcher Monitoring and Removal of Brown-headed Cowbirds on the South Fork Kern River in 2004. Report to the U.S. Army Corps of Engineers, Sacramento, CA

Winter distribution of the Willow Flycatcher (Empidonax traillii) in Ecuador and northern Mexico. Report to the Bureau of Reclamation, Boulder City, NV.

2004

Southwestern Willow Flycatcher Monitoring and Removal of Brown-headed Cowbirds on the South Fork Kern River in 2003. Report to the U.S. Army Corps of Engineers, Sacramento, CA

Winter distribution of the Willow Flycatcher (Empidonax traillii) in Ecuador and southern Mexico. Report to the Bureau of Reclamation, Boulder City, NV.

2003

Food habitats of the Southwestern Willow Flycatcher during the nesting season. Published in Studies in Avian Biology.

Recommendations for cowbird management in recovery efforts for the Southwestern Willow Flycatcher. Published in Studies in Avian Biology.

Southwestern Willow Flycatcher monitoring and removal of Brown-headed Cowbirds on the South Fork Kern River in 2002. Report to the U.S. Army Corps of Engineers, Sacramento, CA

Willow Flycatcher winter habitat in El Salvador, Costa Rica, and Panama: characteristics and threats. Published in Studies in Avian Biology.

Sogge, M.K., B.E. Kus, S.J. Sferra and M.J. Whitfield (editors). 2003. Ecology and Conservation of the Willow Flycatcher. Studies in Avian Biology No. 26.

Winter Distribution of the Willow Flycatcher (Empidonax traillii) in Ecuador and southern Mexico. Report to the Bureau of Reclamation, Boulder City, NV and to the U.S. Fish and Wildlife Service, Sacramento, CA.

2002

Southwestern Willow Flycatcher (Empidonax traillii extimus) surveys, nest monitoring, and removal of Brown-headed Cowbirds on the South Fork Kern River in 2002. Report to the U.S. Army Corps of Engineers, Sacramento, CA

Winter Distribution of the Willow Flycatcher (Empidonax traillii) in Mexico. Report to the Bureau of Reclamation, Boulder City, NV and to the U.S. Fish and Wildlife Service, Sacramento, CA.

2001

Southwestern Willow Flycatcher (Empidonax traillii extimus) surveys, nest monitoring, and removal of Brown-headed Cowbirds on the South Fork Kern River in 2001. Report to the U.S. Army Corps of Engineers, Sacramento, CA

Kern River Research Center Reports and Publications

2000

Association of cowbird parasitism and vegetative cover in territories of Southwestern Willow Flycatchers. The Ecology and Management of Cowbirds and their hosts. University of Texas Press, Austin, Texas.

Demography of the Southwestern Willow Flycatcher. General Technical Report to USDA, Forest Service Rocky Mountain Research Station, Ogden, UT.

Results of a Brown-headed Cowbird trapping program for the Southwestern Willow Flycatcher. The Ecology and Management of Cowbirds and their hosts. University of Texas Press, Austin, Texas.

Southwestern Willow Flycatcher (Empidonax traillii extimus) surveys, nest monitoring, and removal of Brown-headed Cowbirds on the South Fork Kern River, California in 2000. Report to the U.S. Army Corps of Engineers, Sacramento, CA.

The ecology of Brown-headed Cowbirds and their effects on Southwestern Willow Flycatchers. General Technical Report to USDA, Forest Service Rocky Mountain Research Station, Ogden, UT.

Winter distribution of the Willow Flycatcher (Empidonax traillii) in Panama and El Salvador. Report to U.S. Geological Survey and the U.S. Bureau of Reclamation, Boulder City, NV.

1999

Is Brown-headed Cowbird trapping effective for managing populations of the endangered Southwestern Willow Flycatcher? Published in Studies in Avian Biology.

Southwestern Willow Flycatcher (Empidonax traillii extimus) surveys, nest monitoring, and removal of Brown-headed Cowbirds on the South Fork Kern River, California in 1999. Report to the U.S. Army Corps of Engineers, Sacramento, CA.

Surveys for wintering Willow Flycatchers (Empidonax traillii) in Costa Rica and Panama. Report to the Bureau of Reclamation, Phoenix, AZ.

Range-wide impact of Brown-headed Cowbird parasitism on the Southwestern Willow Flycatcher Published in Studies in Avian Biology.