TABLE F-27.--Duck broods, by class and stratum, northern Saskatchewan, northern Manitoba, and western Ontario 
1955-1961 











Stratum 
Percent 
fear an ca seintteren | Teak | a 
brocds total 
Ontario C 
nn 



Class [----------- oem aa an ee 10 56 
Class [I ~----------- ar aaa oa 6 
PiRke Lise Sse= <<< esoSsen<= 1 
1956: 
Class [-----~-----+-- aeweeenen 19 
ee ee Ee 5 
0 
0 
a ae a nh a ee 5 
aA ae a ts a 4 
ee ee ee ee 
a a Pe A a ee 
a ee 
TABLE F-28.--Waterfowl brood indexes and late-nesting indexes, by species and stratum, southern Manitoba, 
July 1960 and 1961 
[Index numbers, in thousands] 
1961 Percent change from-- 
1960 Average, 
Species 
Stratum A | Stratum B 1954-60 1960 Average 
Broods: 
Duck brood index--------.-----~ 
Average brood size?------------ 
Cpot brood index------.-------- 
Late2nesting indexes: 
Dabblere: 
+12 <3 
-11 -4 
74 -38 

American widgeon------~------ 
Shove ler--~-----—----.-.~.----- 
Blue-winged 'teal------------- 
Green-winged teal------------ 
Scaup------------+--+-------- 
Canvasback------------~- arden rel 
Redhead--------.--..- ee ee te 

1 Classes II and III. 
119 
