Lone Drake Index =~ 1955-1957 



Stratum. Index 1955 Index 1956 Index 1957 . 
Ontario 106, 379 15,914 45,939 
Manitoba D 18.139 15.538 33,418 
Manitoba C "42,973 14,239 11,301 
Saskatchewan South 49,251 21,678 23, 386 
Saskatchewan North 69, 404 16,938 38,081 
Total 288, 587 84,307 154,125 
Percent Lone Drakes .- 1955 rz 40.9 
1956 5 29.5 
1957 = 29.7 
Conclusions 
“Lone Drake 
Lone Drake 

Lone Drake 
In view ofthe increase in breeding population as compared 
to 1956, it is estimated that there will be an increase in the fall flight. 
from the survey area as compared to last year. | 
76 
