University of Wisconsin–Madisonimages.library.wisc.edu/EcoNatRes/EFacs/DNRBull/DNRBull...during...
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University of Wisconsin–Madisonimages.library.wisc.edu/EcoNatRes/EFacs/DNRBull/DNRBull...during spring and fall migration at Lake Poygan, Wisconsin. Wildl. Soc. Bull. [in press]