USGS - science for a changing world

Northern Prairie Wildlife Research Center

  Home About NPWRC Our Science Staff Employment Contacts Common Questions About the Site

Interpreting Evidence of Depredation of Duck Nests
in the Prairie Pothole Region

Appendix C, Figures 9-11


JPG-Eggshells of duck eggs depredated by black-billed magpies
Appendix C, Figure 9. Eggshells of duck eggs depredated by black-billed magpies showing different types of destruction. Larger version.
JPG-Eggshells of duck eggs depredated by American crows
Appendix C, Figure 10. Eggshells of duck eggs depredated by American crows showing different types of destruction. Larger version.
JPG-Eggshells of duck eggs depredated by gulls
Appendix C, Figure 11. Eggshells of duck eggs depredated by ring-billed gulls and California gulls showing different types of destruction. Larger version.

Previous Section -- Appendix C, Figures 5-8
Return to Contents
Next Section -- Appendix D

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/birds/depred/appenxc3.htm
Page Contact Information: Webmaster
Page Last Modified: Friday, 01-Feb-2013 19:09:54 EST
Reston, VA [vaww54]