Waterfowl Census Data during Fall Migration at Nanvak Bay, Togiak National Wildlife Refuge, Alaska, 1992
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https://www.sciencebase.gov/catalog/item/68951682d4be02742084c989
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资源简介：
Waterfowl were observed staging at Nanvak Bay, Togiak National Wildlife Refuge in southwest Alaska between 31 August and 27 September 1992. This data release contains five tables including 1) aerial surveys, 2) band resights for Black Brant (Branta bernicla nigricans), 3) Black Brant age ratios, 4) bird migration observations, and 5) taxonomy table for observed birds.
提供机构：
U.S. Geological Survey
创建时间：
2025-08-25
