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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