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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.

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

Appendix C, Figures 9-11

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