USGS - science for a changing world

Northern Prairie Wildlife Research Center

  Home About NPWRC Our Science Staff Employment Contacts Common Questions About the Site

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.


Previous Section -- Appendix D.
Return to Contents
Next Section -- Tables and Figures

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/birds/wpwood/appende.htm
Page Contact Information: Webmaster
Page Last Modified: Friday, 01-Feb-2013 20:08:26 EST
Sioux Falls, SD [sdww54]