Jill A Shaffer


Current Research

Influence of Wind Facilities on Grassland Bird Behavior 

Influence of Wind Facilities on Greater Prairie-Chicken and Sharp-tailed Grouse

Compendium of the Effects of Management Practices on Grassland Birds

Spatial Modeling of Ecosystem Services Provided by Grassland Ecosystems



M.S. 1996,   University of Arkansas (Zoology)

B.S. 1993,   University of Wisconsin (Biology)



1999-present   USGS, Northern Prairie Wildlife Research Center (Ecologist)

1996-1999      USGS, Northern Prairie Wildlife Research Center (Biological Science Technician)

1997               University of Jamestown (Lecturer for Ecology)

1993-1996      University of Arkansas (Laboratory Instructor for General Biology)




Selected Publications:

Shaffer, J. A., C. L. Roth, and D. M. Mushet.  In review.  Modeling effects of crop production, energy development and conservation-grassland loss on avian habitat. 

Igl, L. D., Shaffer, J. A., Johnson, D. H., and Buhl, D. A.  2017.  The influence of local-and landscape-level factors on wetland breeding birds in the Prairie Pothole Region of North and South Dakota: U.S. Geological Survey Open-File Report 2017–1096, 65 pages.  http://dx.doi.org/10.3133/ofr20171096.

Williams, A., J. R. Kiniry, D. Mushet, L. Smith, S. McMurry, K. Attebury, M. Lang, G. McCarty, J. A. Shaffer, W. R. Effland, and M. V. Johnson.  2017.  Plant parameters for plant functional groups of representative wetlands to enable process-based simulation modeling.  Ecosphere 8(10):e01958.10.1002/ecs2.1958.

Shaffer, J. A., and D. A. Buhl.  2016. Effects of wind-energy facilities on grassland bird distributions.  Conservation Biology 30:59-71.  DOI:10.1111/cobi.12569.

Shaffer, J. A., and J. P. Thiele. 2013. Distribution of burrowing owls in east-central South Dakota. Prairie Naturalist 45:40-44.

Strickland, M. D., E. B. Arnett, W. P. Erickson, D. H. Johnson, G. D. Johnson, M. L. Morrison, J.A. Shaffer, and W. Warren-Hicks. 2011. Comprehensive guide to studying wind energy/wildlife interactions. Prepared for the National Wind Coordinating Collaborative, Washington, D.C. https://www.nationalwind.org/research/publications/comprehensive-guide

Pietz, P. J., D. A. Buhl, J. A. Shaffer, M. Winter, and D. H. Johnson. 2009. Influence of trees in the landscape on parasitism rates of grassland passerines in southeastern North Dakota. Condor 111:36-42.

Shaffer, J. A., and D. H. Johnson. 2009. Displacement effects of wind developments on grassland birds in the northern Great Plains. Pages 57-61 in Proceedings of the National Wind Coordinating Collaborative Wind Wildlife Research Meeting VII. Milwaukee, WI.

Erickson, W., D. Strickland, J. A. Shaffer, and D. H. Johnson. 2007. Protocol for investigating displacement effects of wind facilities on grassland songbirds. National Wind Coordinating Collaborative, Washington, D. C.

Shaffer, J. A., Knutsen, G. A., Martin, R. E., and Brice, J. S. 2007. Pattern and potential causes of white-faced ibis, Plegadis chihi, establishment in the northern prairie and parkland region of North America. Canadian-Field Naturalist 121:46-57.

Winter, M., Johnson, D. H., and Shaffer, J. A. 2006. Does body size affect a bird's sensitivity to patch size and landscape structure? Condor 108:808-816.

Winter, M., D. H. Johnson, J. A. Shaffer, T. M. Donovan, and W. D. Svedarsky.  2006.  Patch size and landscape effects on density and nesting success of grassland birds. Journal of Wildlife Management 70:158-172.

Johnson, D. H., J. E. Austin, and J. A. Shaffer. 2005. A fresh look at the taxonomy of midcontinental Sandhill Cranes. Proceedings of the North American Crane Workshop 9:37-45.

Winter, M., D. H. Johnson, and J. A. Shaffer.  2005.  Variability in vegetation effects on density and nesting success of grassland birds.  Journal of Wildlife Management 69:185-197.

Winter, M., J. A. Shaffer, D. H. Johnson, T. M. Donovan, W. D. Svedarsky, P. W. Jones, and B. R. Euliss.  2005.  Habitat and nesting of Le Conte’s Sparrows in the northern tallgrass prairie.  Journal of Field Ornithology 76:61-71.

Winter, M., D. H. Johnson, J. A. Shaffer, and W. D. Svedarsky.  2004.  Nesting biology of three grassland passerines in the northern tallgrass prairie.  Wilson Bulletin 116:211-223.

Klute, D. S., L. W. Ayers, M. T. Green, W. H. Howe, S. L. Jones, J. A. Shaffer, S. R. Sheffield, and T. S. Zimmerman. 2003. Status assessment and conservation plan for the Western Burrowing Owl in the United States. Biological Technical Publication FWS/BTP-R6001-2003. U.S. Department of the Interior, Fish and Wildlife Service, Washington, D.C. 108 pages.

Shaffer, J. A., C. M. Goldade, M. F. Dinkins, D. H. Johnson, L. D. Igl, and B. R. Euliss.  2003.  Brown-headed Cowbirds in grasslands: their habitats, hosts, and response to management.  Prairie Naturalist 35:145-186.

Shaffer, J. A., Igl, L. D., and VanHove, F. 2003. Historical and recent records and first nest records of Henslow's sparrow in North Dakota. Prairie Naturalist 35:81-94.

Winter, M. S. E. Hawks, J. A. Shaffer, and D. H. Johnson.  2003.  Guidelines for finding nests of passerine birds in tallgrass prairie.  Prairie Naturalist 35:197-211

Dechant, J. A.  2001.  Range expansion of the Pileated Woodpecker in North Dakota.  Prairie Naturalist 33:163-182.

Dechant, J. A., D. H. Johnson, C. M. Goldade, and L. D. Igl. 2001. Responses of grassland birds to management practices: lessons from the literature. Proceedings of the North Dakota Academy of Science 55:7-8.

Dechant, J. A., M. L. Sondreal, D. H. Johnson, L. D. Igl, C. M. Goldade, A. L. Zimmerman, and B. R. Euliss.  1999 (revised 2003).  Effects of management practices on grassland birds: Bobolink.  Northern Prairie Wildlife Research Center, Jamestown, ND.  24 pages.