Northern Prairie Wildlife Research Center
We appreciate the assistance of P. Beauzay, J. Gleason, S. Bierle, G. Wiesbrich, and L. Bergmann, who helped trap nesting mallards. We thank J. Jenks, K. Higgins, and G. Krapu for reviewing the manuscript. Funding was provided by the Gay Simpson Memorial Scholarship through Ducks Unlimited's Institute for Wetland and Waterfowl Research; the South Dakota Department of Game, Fish and Parks; and Federal Aid in Wildlife Restoration (Project W-75-R, Study 7549).
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/birds/ducktrap/acknowl.htm
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