45 
Table B-20. Colorado--Species composition of 1979 duck breeding pair population. 
a S — aS a 095m 
Number of breeding pairs Percent species composition 
. 1954-78, 1954-1978 
Species 1979 1978 average 1979 1978 average 
we Pe ic ae ee ee et ee ee 
Mallard 15,456 21,313 27,580 30 29 5] 
Blue-winged and 
cinnamon teal 6,349 9,267 53913 12 13 1] 
Gadwall 4,838 14,311 5,676 9 20 10 
Pintail 3,297 3,557 3,605 6 5 f 
Green-winged teal 5,719 12,739 3,178 1] 18 6 
Northern shoveler 2,89] 5,866 3,545 6 8 7 
American wigeon 1,204 978 xe Si 2 ] 2 
Redhead 9,707 543 2,237 19 ] 4 
Other divers 2,163 3,952 1,664 4 5 3 
Total 51,624 72,526 54,529 
Etta 
“species composition computed from data from all areas for the 23-year period regardless 
of changes in survey method. 
