Bibliography and Citations

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Yensen E..  2004.  Spreadsheet of historic Piute ground squirrel observations and museum records compiled from a variety of sources.  
Yensen E..  1998.  Wyoming ground squirrel.  
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, Quinney DL.  1992.  Can Townsend's Ground Squirrel survive on a diet of exotic annuals? Great Basin Naturalist.  52(3):269-277.
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, 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..  1988.  Letter to Craig Groves, Idaho Natural Heritage Program, containing information on 2 new Spermophilus brunneus colonies.  
Yensen E..  2004.  Excel Spreadsheet of ground squirrel locations.  
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  Unpublished report for U. S. Fish and Wildlife Service.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 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.  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  Unpublished report prepared for U. S Fish and Wildlife Service, Snake River Basin Office.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.  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  Unpublished report for U.S. Fish and Wildlife Service.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.  2007.  Southern Idaho ground squirrel surveys on Soulen Livestock Company lands: areas around Cinnabar and Center ranches.  
Yensen E, Quinney DL, Johnson K, Timmerman K, Steenhof K.  1992.  Fire, vegetation changes, and population fluctuations of Townsend's ground squirrels.  American Midland Naturalist.  128(2):299-312.
Yensen E., Sherman P.W.  1996.  Ground squirrels, Smokey the Bear, and the death of an ecosystem. Abstract.  Journal of the Idaho Academy of Science.  32(1/2):62-63.
Yeo J.J, Peterson C.R.  1998.  Amphibian and reptile distribution and habitat relationships in the Lost River Mountains and Challis-Lemhi Resource Areas.  
Yeo J.J.  1989.  Wolf summer habitat survey: Selway and Moose Creek Ranger Districts, summer 1989.  
Yeo JJ.  2002.  Avian community status in the Chilly Slough Wetland Conservation Area, East Central Idaho.  
Yocom C., Harris S..  1953.  Food habits of mountain quail (Oreortyx picta) in eastern Washington.  Journal of Wildlife Management.  17:204-207.
Yocum CF, Harris SW.  1953.  Food habits of mountain quail (Oreortyx picta) in eastern Washington.  Journal of Wildlife Management.  17(2):204-207.
Yocum L.F, Harris S.W, Hanson H.A.  1958.  Status of grebes in eastern Washington.  Auk.  75:36-47.