Class I | Class II | Class III | 17-year mean, all classes | |||||||||
Species | July | August | July and August | July | August | Julu and August | July | August | July and August | July | August | July and August |
Dabbling ducks | ||||||||||||
Mallard | 6.3 | 6.1 | 6.2 | 5.4 | 5.5 | 5.5 | --b | 5.7 | 5.7 | 5.9 | 5.7 | 5.8 |
Gadwall | 8.1 | 6.4 | 7.3 | 7.8 | 6.9 | 7.0 | -- | -- | -- | 8.0 | 6.6 | 7.2 |
American wigeon | 7.9 | 5.0 | 7.3 | -- | 5.6 | 5.6 | -- | 6.0 | 6.0 | 7.9 | 5.5 | 6.6 |
Green-winged teal | 7.0 | 4.8 | 5.5 | -- | 6.3 | 6.3 | -- | 4.0 | 4.0 | 7.0 | 5.1 | 5.4 |
Blue-winged teal | 7.5 | 5.2 | 6.9 | 7.7 | 5.6 | 6.7 | 6.5 | 5.8 | 5.9 | 7.6 | 5.6 | 6.7 |
Northern shoveler | 6.7 | 4.4 | 5.8 | 6.3 | 5.3 | 5.7 | 7.5 | 4.4 | 5.0 | 6.6 | 4.9 | 5.6 |
Northern pintail | 9.3 | 3.0 | 6.6 | 4.3 | 3.3 | 3.9 | 1.0 | 4.5 | 3.8 | 5.3 | 3.6 | 4.4 |
Total dabbling ducks | 7.6 | 5.8 | 6.9 | 7.3 | 5.8 | 6.5 | 6.3 | 5.6 | 5.7 | 7.4 | 5.8 | 6.6 |
Diving ducks | ||||||||||||
Redhead | 7.7 | 6.0 | 6.6 | 6.7 | 5.2 | 5.6 | -- | 3.7 | 3.7 | 7.5 | 5.6 | 6.2 |
Canvasback | 5.5 | 5.0 | 5.4 | 4.8 | 4.7 | 4.7 | -- | 3.4 | 3.4 | 5.0 | 4.5 | 4.7 |
Lesser scaup | 8.0 | 6.5 | 7.0 | -- | 7.9 | 7.9 | -- | -- | -- | 8.0 | 7.4 | 7.5 |
Ring-necked duck | 8.0 | 4.0 | 6.0 | 10.0 | 5.5 | 7.0 | -- | 8.0 | 8.0 | 9.0 | 5.8 | 6.8 |
Ruddy duck | 4.9 | 5.2 | 5.1 | 6.8 | 3.7 | 4.0 | -- | 5.7 | 5.7 | 5.2 | 4.5 | 4.7 |
Total diving ducks | 6.2 | 5.7 | 5.9 | 5.4 | 5.5 | 5.5 | -- | 4.4 | 4.4 | 5.9 | 5.5 | 5.6 |
Total broods | 7.4 | 5.7 | 6.7 | 7.1 | 5.8 | 6.3 | 6.3 | 5.5 | 5.6 | 7.2 | 5.7 | 6.4 |