Cowbird Parasitism in Grassland and Cropland
in the Northern Great Plains
Acknowledgments
We thank the many landowners who generously provided access to their properties to conduct these studies. The U.S. Fish and Wildlife Service allowed access to WPAs. Many fine assistants helped with the fieldwork. We thank T. L. George, L. D. Igl, D. H. Johnson, J. R. Price, S. K. Robinson, and J. N. M. Smith for comments on the manuscript.
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