Waterfowl Production on the Woodworth Station
in South-central North Dakota, 1965-1981
Appendix E. Dates of first arrivals for some waterfowl species,
Woodworth study area, 1966-81
Species |
1966 |
1967 |
1968 |
1969 |
1970 |
1971 |
1972 |
1973 |
1974 |
1975 |
1976 |
1977 |
1978 |
1979 |
1980 |
1981 |
Canada Goose |
3/16 |
3/23 |
3/7 |
4/6 |
4/4 |
3/29 |
3/15 |
3/11 |
2/18 |
3/17 |
3/19 |
3/17 |
4/10 |
4/10 |
3/19 |
3/8 |
White-fronted goosea |
3/30 |
4/3 |
3/26 |
4/11 |
4/6 |
3/30 |
3/23 |
3/25 |
4/5 |
--b |
4/4 |
3/24 |
4/16 |
4/16 |
4/1 |
4/1 |
Snow goose |
3/30 |
-- |
4/1 |
-- |
-- |
3/30 |
3/22 |
3/25 |
4/5 |
-- |
-- |
3/27 |
4/15 |
4/15 |
4/5 |
3/19 |
Tundra swan |
4/3 |
4/4 |
4/1 |
4/6 |
-- |
4/7 |
3/23 |
3/27 |
4/7 |
4/21 |
3/30 |
4/7 |
4/12 |
4/16 |
3/31 |
3/30 |
Mallard |
3/16 |
3/23 |
3/16 |
4/6 |
4/5 |
3/29 |
3/15 |
3/18 |
4/5 |
3/20 |
3/19 |
3/19 |
3/26 |
4/14 |
3/30 |
3/14 |
Northern pintail |
3/16 |
3/23 |
3/16 |
3/27 |
4/6 |
3/29 |
3/15 |
-- |
4/5 |
3/19 |
3/19 |
3/24 |
3/26 |
4/15 |
3/31 |
3/23 |
Gadwall |
3/30 |
4/2 |
3/29 |
4/11 |
4/7 |
4/7 |
4/10 |
3/21 |
4/11 |
4/28 |
-- |
3/27 |
3/30 |
4/16 |
4/8 |
3/25 |
Blue-winged teal |
4/14 |
4/12 |
4/10 |
4/11 |
4/9 |
4/9 |
4/17 |
4/18 |
4/15 |
4/22 |
4/8 |
4/5 |
-- |
4/17 |
4/9 |
4/4 |
Green-winged teal |
4/4 |
4/2 |
3/31 |
4/7 |
4/7 |
4/7 |
4/10 |
-- |
4/10 |
4/21 |
4/1 |
3/14 |
-- |
4/23 |
4/4 |
3/24 |
Northern shoveler |
3/30 |
4/2 |
-- |
4/11 |
4/7 |
4/8 |
4/10 |
3/25 |
4/10 |
4/21 |
4/1 |
3/27 |
3/30 |
4/16 |
4/7 |
3/28 |
American wigeon |
4/16 |
3/31 |
3/27 |
4/7 |
4/6 |
3/30 |
3/21 |
3/21 |
-- |
4/28 |
3/25 |
3/27 |
3/30 |
4/16 |
4/1 |
3/27 |
Wood duck |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
4/22 |
4/12 |
4/21 |
4/1 |
4/11 |
4/9 |
4/16 |
4/8 |
5/29 |
Redhead |
3/30 |
4/2 |
3/27 |
4/11 |
4/7 |
4/7 |
3/22 |
-- |
4/10 |
4/21 |
3/25 |
3/27 |
3/30 |
4/16 |
4/6 |
3/24 |
Canvasback |
3/30 |
4/2 |
3/30 |
4/11 |
4/7 |
4/7 |
4/7 |
4/1 |
4/10 |
4/21 |
-- |
3/27 |
-- |
4/17 |
4/5 |
3/27 |
Lesser scaup |
4/13 |
3/26 |
3/27 |
4/11 |
4/7 |
3/31 |
3/24 |
3/21 |
4/10 |
4/17 |
3/30 |
3/27 |
-- |
4/16 |
4/2 |
3/24 |
Ring-necked duck |
-- |
4/2 |
3/30 |
4/11 |
4/7 |
4/7 |
3/22 |
-- |
4/10 |
4/21 |
3/30 |
3/25 |
3/30 |
4/16 |
4/5 |
3/24 |
Bufflehead |
4/14 |
-- |
3/31 |
4/11 |
4/7 |
4/7 |
3/22 |
-- |
4/16 |
4/17 |
-- |
-- |
-- |
-- |
4/9 |
3/25 |
Common goldeneye |
3/30 |
4/2 |
3/28 |
-- |
4/6 |
4/9 |
3/22 |
-- |
4/15 |
4/19 |
3/25 |
3/10 |
3/30 |
4/16 |
3/31 |
3/27 |
Ruddy duck |
4/28 |
-- |
4/22 |
4/18 |
-- |
5/3 |
4/20 |
5/16 |
4/28 |
4/29 |
4/26 |
4/11 |
3/20 |
4/30 |
4/20 |
4/16 |
Common merganser |
3/30 |
3/25 |
3/29 |
4/6 |
4/7 |
3/29 |
-- |
-- |
-- |
4/16 |
3/25 |
3/25 |
-- |
4/16 |
4/7 |
3/23 |
American coot |
-- |
4/30 |
3/31 |
4/11 |
4/9 |
4/9 |
-- |
4/11 |
4/16 |
4/22 |
-- |
4/11 |
-- |
4/17 |
4/2 |
4/2 |
aGreater.
bNo data.
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