Brood per 40.5 ha in wetlands of size class | ||||||||||
Species | ≤0.9 | 0.10-0.25 | 0.26-0.50 | 0.51-0.75 | 0.76-1.00 | 1.01-2.00 | 2.01-5.00 | 5.01-10.00 | 10.01-25.00 | ≥25.01 |
Dabbling ducks | ||||||||||
Mallard | 0.0 | 0.9 | 0.4 | 1.9 | 0.5 | 1.4 | 1.5 | 1.9 | 2.1 | 0.6 |
Gadwall | 0.0 | 1.7 | 0.8 | 0.5 | 1.0 | 1.4 | 1.1 | 0.9 | 4.3 | 1.5 |
Northern pintail | 0.0 | 2.6 | 0.4 | 0.9 | 1.0 | 0.1 | 0.5 | 0.3 | 1.0 | 0.5 |
Green-winged teal | 0.0 | 0.9 | 0.4 | 0.5 | 1.0 | 0.3 | 1.4 | 0.3 | 0.3 | 0.1 |
Blue-winged teal | 11.0 | 22.6 | 13.4 | 17.9 | 12.0 | 20.5 | 17.8 | 10.1 | 12.7 | 2.6 |
Northern shoveler | 5.5 | 0.9 | 0.0 | 2.4 | 2.0 | 1.3 | 1.6 | 0.9 | 1.1 | 0.2 |
American wigeon | 0.0 | 0.9 | 0.0 | 0.0 | 0.0 | 0.1 | 0.3 | 0.6 | 1.0 | 0.1 |
Total dabbling ducks | 16.5 | 30.4 | 15.4 | 24.0 | 17.5 | 25.2 | 24.3 | 15.2 | 22.4 | 5.6 |
Diving ducks | ||||||||||
Redhead | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 1.3 | 0.6 | 0.3 |
Canvasback | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.0 | 0.6 | 0.1 |
Lesser scaup | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.5 | 0.5 |
Ring-necked duck | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 |
Ruddy duck | 0.0 | 1.7 | 0.4 | 0.0 | 0.5 | 0.4 | 0.8 | 1.3 | 1.3 | 0.5 |
Total diving ducks | 0.0 | 1.7 | 0.4 | 0.0 | 0.5 | 0.6 | 1.2 | 2.5 | 3.0 | 1.5 |
Grand total | 16.5 | 32.2 | 15.8 | 24.0 | 18.0 | 25.8 | 25.5 | 17.7 | 25.4 | 7.1 |