MISSISSIPPI FLYWAY 
Total Duck Index - Entire Survey Area - Continued. 


Species Index 3-Year From From 
Species 1955 1956 1957 Average 1956 Average 
Shoveler 1,008 - 1,130 713 - + 58.4 
Merganser 306,732 61,563 132,906 167,034 +116.2 - 20.4 
Redhead 10, 340 3,938 6,215 6,831 + 57.8 - 9.0 
Ringneck . 98,524 7,747 1,156 35,809 -= 85.1 = 96.8 
Canvasback 21,525 5,952 2,086 9,854 = 64.9 + 78.8 
L,. Scaup 388.828 187,082 445,727 340,546 +4138.2 30.9 
Goldeneye 25,913 (5,366 8,675 13,318 + 61.7 ~- 34.9 
Bufflehead 41,363 12,168 5,033 19,521 ~ 58.6 - 74.2 
Scoter 27,327 6,529 53,382 29,079 +717.6 + 83.6 
Total Ducks * 1,269,237 571,553 946,129 928,973 + 65.5 + 1.8 

Canada Geese 7,088 14,025 5,920 8,711 - 64.2 = 42.4 
Total Duck Index by Provinces: - 1955 - 1957 
" i 4 Bed ‘ 
| Percent Change 




. Index  _. . From From 
Province ' 1955 (1956 1957. Average 1956 Average 
Ontario* ; 230,159 111,677 176,350 172,729 +57.9 + 2.1 
N. Manitoba 380,429 197,291 279,544 285,755 +441.7 + 2.2 
7 + 4.2 
N. Saskatchewan 658,649 262,585 490,235 470,490 +86. 
* West of 86° Longitude 
Production Data 
The percentage of loné drakes recorded was approximately the 
same as in 1956, which may indicate duck nesting was about as retarded as 
last year in spite of the differences in the phenology of the two seasons. 
