Bibliography and Citations

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Yensen E, Sherman PW.  1997.  Spermophilus brunneus.  Mammalian Species.  560:1-5.  Available from http://www.science.smith.edu/msi/pdf/i0076-3519-560-01-0001.pdf
Yensen E..  2005.  Excel spreadsheet containing observational data obtained during field surveys in 2004 of southern Idaho ground squirrels and burrows on Soulen Land Company lands.  
Yensen D.L.  1981.  The 1900 invasion of alien plants into southern Idaho.  Great Basin Naturalist.  41(2):176-183.
Yensen E..  1988.  Letter to Craig Groves, Idaho Natural Heritage Program, containing information on 2 new Spermophilus brunneus colonies.  
Yensen E..  1986.  Letter to Craig Groves, Idaho Natural Heritage Program, regarding locations of two sightings and one specimen of Spermophilus variegatus.  
Yensen E.  2001.  Population estimate for the southern Idaho ground squirrel (Spermophilus brunneus endemicus).  Unpublished report for U. S. Fish and Wildlife Service.  
Yensen E, Luscher MP, Boyden S.  1991.  Structure of burrows used by the Idaho ground squirrel, Spermophilus brunneus.  Northwest Science.  :93-100.
Yensen E.  1991.  Taxonomy and distribution of the Idaho ground squirrel, Spermophilus brunneus.  Journal of Mammalogy.  72(3):583-600.  Available from http://www.jstor.org/stable/1382142
Yensen D.  1980.  A grazing history of southwestern Idaho with emphasis on the Birds of Prey Study Area. Boise (ID): USDI Bureau of Land Mangement, Boise District Office, Snake River Birds of Prey Research Project.  
Yensen E, Quinney DL.  1992.  Can Townsend's Ground Squirrel survive on a diet of exotic annuals? Great Basin Naturalist.  52(3):269-277.
Yensen E, Sherman PW.  2003.  Ground-dwelling squirrels of the Pacific Northwest. Hooper WP, editor. Boise (ID): U. S. Fish & Wildlife Service, Snake River Fish and Wildlife Office; Bureau of Land Management, Spokane District Office and Oregon State Office.  
Yensen E..  2000.  Conservation survey of three species of western "small-eared" ground squirrels.  
Yensen E, Tarifa T, Stitt R, Bond P, Evans Mack D.  2010.  Diets of northern Idaho ground squirrels and cattle at two sites in Adams County, Idaho in 2008.  
Yensen E.  2004.  Nutrient analysis of plant species in northern Idaho ground squirrel diets, final report, 2000-2002.  Unpublished report for U.S. Fish and Wildlife Service.  
Yensen E..  2004.  Excel Spreadsheet of ground squirrel locations.  
Yensen E.  2007.  Southern Idaho ground squirrel surveys on Soulen Livestock Company lands: areas around Cinnabar and Center ranches.  
Yensen E.  2000.  Additional surveys for southern Idaho ground squirrels, Spermophilus brunneus endemicus.  Unpublished report prepared for U. S Fish and Wildlife Service, Snake River Basin Office.  
Yensen E., Luscher M.P, Boyden S..  1991.  Structure of burrows used by the Idaho ground squirrel.  Northwest Science.  :93-100.
Yensen E., Kirkland G.L.  1998.  Synaptomys borealis (Richardson 1828): northern bog lemming.  
Yensen E.  1985.  Taxonomy, distribution, and population status of the Idaho ground squirrel, Spermophilus brunneus.  
Yensen E..  2001.  The ecological role of ground squirrels and a "field guide" to northwestern species, Abstract.  Journal of the Idaho Academy of Science.  37(1):42-44.
Yensen E..  1980.  Population status of the Idaho ground squirrel.  
Yensen E.  2008.  Southern Idaho ground squirrel surveys on Soulen Livestock Company lands, 2008 annual report and final report.  Prepared for U.S. Fish and Wildlife Service, Snake River Basin Office.  
Yensen E., Haak B..  2001.  Population survey of the southern Idaho ground squirrel.  
Yensen D.  1980.  A grazing history of Southwestern Idaho with emphasis on the Birds of Prey Study Area.  USDI-BLM Snake River Birds of Prey Research Project.