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The effects of management practices on grassland birds—Rates of Brown-headed Cowbird (<i>Molothrus ater</i>) parasitism in nests of North American grassland birds [研究报告]
10.3133/pp1842PPU.S. Geological Survey. 2019-01-01
Shaffer, Jill A. jshaffer@usgs.gov;  Igl, Lawrence D. ligl@usgs.gov;  Johnson, Douglas H.
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