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研究报告 [3]
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The Yellow-billed Loon [研究报告]
10.2173/bna.yebloo.02Cornell Lab of Ornithology. 2019-01-01
Uher-Koch, Brian D. buher-koch@usgs.gov;  Mike North;  Schmutz, Joel A. jschmutz@usgs.gov
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A global audit of the status and trends of Arctic and Northern Hemisphere goose populations [研究报告]
Conservation of Arctic Flora and Fauna (CAFF). 2018-01-01
Schmutz, Joel A. jschmutz@usgs.gov
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Possible behavioural, energetic and demographic effects of displacement of red-throated divers [研究报告]
U.K. Joint Nature Conservation Committee. 2017-01-01
Dierschke, Volker;  Furness, Robert W.;  Gray, Carrie E.;  Petersen, Ib Krag;  Schmutz, Joel A. jschmutz@usgs.gov;  Zydelis, Ramunas;  Daunt, Francis
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