Northern Prairie Wildlife Research Center


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

Appendix D, Figure 2

Appendix D, Figure 2. Shells of hatched duck eggs showing large exit hole (a, b), end cap (a), and detached membrane (c, d).

U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/birds/depred/appenxd2.htm
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Menlo Park, CA [caww54]