Nest densities (nests per 40.5 ha) | ||||
Species | Native Prairie (5,801 ha) | Seeded grasslands (1,787 ha) | Annually tilled croplands (877 ha) | Average |
Mallard | 1.2 | 5.2 | 0.4 | 1.9 |
Gadwall | 3.7 | 7.0 | 0.4 | 4.1 |
Northern pintail | 0.7 | 2.9 | 0.4 | 1.1 |
Green-winged teal | 0.3 | 0.4 | 0.0 | 0.3 |
Blue-winged teal | 10.0 | 14.5 | 1.6 | 10.1 |
Northern shoveler | 0.7 | 1.9 | 0.2 | 0.9 |
American wigeon | 0.2 | 0.6 | 0.0 | 0.3 |
Lesser scaup | 0.3 | 0.2 | 0.1 | 0.2 |