Species | Losses (n) | Mammal | Bird | Unknown predators | Human-machine | Weather | Fire | Unknown causes |
Mallard | 262 | 225 | 8 | 8 | 1 | 4 | 12 | 4 |
Gadwall | 384 | 341 | 6 | 17 | 11 | 1 | 1 | 7 |
American wigeon | 35 | 33 | 1 | 0 | 0 | 0 | 0 | 1 |
Green-winged teal | 33 | 30 | 1 | 1 | 1 | 0 | 0 | 0 |
Blue-winged teal | 1,409 | 1,237 | 28 | 58 | 36 | 0 | 28 | 22 |
Northern shoveler | 119 | 95 | 2 | 9 | 7 | 0 | 5 | 1 |
Northern pintail | 120 | 101 | 4 | 8 | 5 | 0 | 1 | 1 |
Lesser scaup | 33 | 29 | 1 | 1 | 1 | 0 | 0 | 1 |
Total | 2,395 | 2,091 (87%) |
51 (2%) |
106 (4%) |
69 (3%) |
2 (<1%) |
39 (2%) |
37 (2%) |