Waterfowl Production on the Woodworth Station
in South-central North Dakota, 1965-1981
Table 15. Number of duck nests by upland nesting species and year,
Woodworth Study Area 1966-81.
Table 15. Number of duck nests by upland nesting species and year,
Woodworth Study Area, 1966-81.
Species |
1966 |
1967 |
1968 |
1969 |
1970 |
1971 |
1972 |
1973 |
1974 |
1975 |
1976 |
1977 |
1978 |
1979 |
1980 |
1981 |
Total |
Mallard |
4 |
13 |
18 |
13 |
38 |
30 |
44 |
27 |
13 |
27 |
48 |
33 |
51 |
18 |
16 |
17 |
409 |
Gadwall |
16 |
21 |
23 |
28 |
36 |
56 |
80 |
42 |
73 |
73 |
56 |
45 |
65 |
16 |
25 |
33 |
688 |
American wigeon |
3 |
0 |
0 |
2 |
8 |
4 |
17 |
3 |
2 |
2 |
4 |
3 |
8 |
1 |
0 |
3 |
60 |
Green-winged teal |
3 |
8 |
5 |
5 |
10 |
2 |
7 |
2 |
3 |
4 |
2 |
0 |
5 |
0 |
0 |
1 |
57 |
Blue-winged teal |
34 |
96 |
98 |
92 |
176 |
128 |
180 |
101 |
212 |
325 |
216 |
62 |
236 |
69 |
39 |
67 |
2,131 |
Northern shoveler |
0 |
9 |
8 |
16 |
14 |
10 |
24 |
3 |
15 |
19 |
17 |
7 |
29 |
13 |
2 |
10 |
196 |
Northern pintail |
5 |
5 |
3 |
16 |
26 |
16 |
22 |
9 |
20 |
19 |
16 |
15 |
25 |
23 |
7 |
11 |
238 |
Lesser scaup |
0 |
4 |
2 |
9 |
6 |
3 |
7 |
1 |
4 |
1 |
4 |
0 |
5 |
0 |
1 |
6 |
53 |
Total |
65 |
156 |
157 |
181 |
314 |
249 |
381 |
188 |
342 |
470 |
363 |
165 |
424 |
140 |
90 |
147 |
3,832 |
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