f 
Table VII. - Total Species Index - Entire Area Surveyed, 1954-1955. 
SSS SS SSS SS SS SS 
Change Percent 
Species Index 2-Year From From 
Species 1954. 1955 Average "1954 Average 
Mallard 255, 530 249,093 252,311 - 2.5 - 1.3 
Black Duck 92, 706 74, 839 83,772 - 19.3 - 10.6 
Gadwall - 1,165 582 - +100. 1 
Baldpate 25,591 32,559 29,075 + 27.2 + 12.0 
Pintail 22,099 47,108 34, 603 4113.2 + 36.1 
G-w. Teal 5,835 13,486 9,660 4131.1 + 39.6 
B-w. Teal 8,514 4,208 6, 361 - 50.6 - 33.8 
Shoveler 3,138 1,008 2,073 - 67.8 - 50.4 
Merganser 244,115 309,840 276,977 + 26.9 + 11.9 
Redhead woot 10, 340 8,968 + 36.1 + 15.3 
Ringneck 39, 825 80,178 60,001 +101.3 + 33.6 
Canvasback 18,151 21,625 19, 838 + 18.6 + 8.5 
L. Scaup 265,930 441,062 353,496 + 65.8 + 24.8 
Goldeneye 48,389 37, 785 43,087 - 21.9 - 12.3 
Ruddy Duck 2,957 - 1,478 - = 
Bufflehead 23,291 39, 050 31,170 + 67.7 + 25.3 
Scoter 42,941 — 49,091 46,016 + 14,3 + 6.7 
Total Ducks 1,106,609 1,412,337 1, 259,473 + 27.6 + 12.1 
_ ©. Goose. 28,417 23,566 25,991 - 17.1 - 10.3 
