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Federal
Vesper sparrow distribution in the Wyoming Basins Ecoregional Assessment area
Department of the Interior —
Map of Vesper sparrow distribution developed from an abundance map created using multi-scale vegetation, abiotic, and anthropogenic features. -
Federal
Fledging times of grassland birds in North Dakota and Minnesota
Department of the Interior —
The data set provides information on the fledging times of passerine grassland birds. Data were collected from video surveillance of 70 nests of 9 bird species that... -
Federal
Vesper sparrow density in the Wyoming Basins Ecoregional Assessment area
Department of the Interior —
Map of vesper sparrow density (birds/ha) in relation to vegetation, abiotic, and anthropogenic features.