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

Table 25. Probable causes of upland nest losses among ducks,
Woodworth Study Area, 1966-81.

Table 25. Probable causes of upland nest losses among ducks, Woodworth Study Area, 1966-81.
Species Red Fox Striped skunk Ground squirrel Gull Raccoon Badger Mink-weasel Cow
Mallard 91 20 17 6 12 3 2 0
Gadwall 167 52 18 6 13 14 1 0
American wigeon 18 4 0 1 1 1 0 0
Green-winged teal 8 8 1 1 1 1 0 0
Blue-winged teal 610 260 33 21 23 6 0 3
Northern shoveler 57 19 3 1 0 0 0 0
Northern pintail 51 9 6 4 1 3 0 0
Leser scaup 11 5 0 0 2 0 0 0
Total 1,013 (64%) 377 (24%) 78 (5%) 40 (3%) 53 (3%) 28 (2%) 3 (<1%) 3 (<1%)
Previous Section -- Table 24.
Return to Contents
Return to List of Tables
Nest Section -- Table 26.

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/table25.htm
Page Contact Information: Webmaster
Page Last Modified: Friday, 01-Feb-2013 20:09:11 EST
Menlo Park, CA [caww54]