
Lone Drake Index, 1955-1956 
Lone Drake Leone Drake 




Stratum Index 1955 Index 1956 
Ontario 126, 024 33, 257 
Manitoba D 18,139 15,539 
Manitoba C 42,973 14, 239 
Saskatchewan South 49,251 21,678 
Saskatchewan North 69, 404 16, 938 
Total 308, 232 101, 650 
Percent Lone Drakes 1955 = 40.9 
Percent Lone Drakes 1956 = 29.5 
Total Duck Index - Entire Survey Area, 1955 - 1956 
Species 
Mallard 
Black Duck 
Gadwall 
Baldpate 
Pintail 
Green-winged Teal 
Blue-winged Teal 
Shoveler 
Merganser 
Redhead 
- Ringneck 
Canvasback 
Lesser Scaup 
Goldeneye 
Ruddy Duck 
Bufflehead 
Scoter 
Species Index 
1955 
252,991 
(41,517 
1,165 
31,354 
47, 087 
13,486 
4,208 
1,008 
335, 858 
10, 340 
98,524 
21,525 
390, 845 
31,319 
41, 363 
27, 327 
1956 . 
249, 040 
28, 568 
7,877 
17,295 
7,199 
3,273 
88,997 
3,938 
12, 156 
5,952 
201, 878 
17,516 
19, 321 
6,529 
Percent Change 
From 1955 
- 1.6 
-31.1 
~74.9 
-63.3 
-46.6 
-22.2 
-73.5 
-61.9 
-87.7 
-72.3 
~48.4 
-44.1 
Total Ducks 1,349,917 669, 539 ~50.4 
Canada Goose 7, 088 14, 025 $97.8 
The survey area as a whole decreased 50 percent in breeding population. 
All species decreased except mallard, which remained about the same. 
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