TABLE F-18.--Waterfowl brood indexes and late-nesting indexes, by species and year, southern Saskatchewan, 
July, 1952-61 
[Index mmbers, in thousands] 
Species 1952 | 1953 } 1956 | 1957 } 1958 | 1959 1 
% 
% 
B 
8 , 

Broods: 
Duck brood index-<--------------22- 509 184 “Fs Pe -616 et 106 126 70 
Average brood size?---------------- Tel 5.6 6.0 4.3 3.7 3.8 404 
Coot brood index-+-0---------.--~-=- 29 8 254 22 5 15 6 
Late-nesting index :? (a ee = ee 
Dabblers: 
Pintal 1--~-2----<<2---2---------- 14 33 12 5 3 10 3 
Ma) lard-~----~.-----2-2---.~----= 44 108 83 ae 42 80 150 40 
American Pigeon eens wenn en ennan- 18 21 17 21 4 15 21 2 
Shove ler-----<--------2-0-0-2-2-- 12 Lb 5 23 2 3 ib 2 | 
Gadwal]-.<-2---222-s enn ence wenn 12 15 14 28 4 5 30 2 
Blue-winged teal-----~------+---- 18 35 24 78 12 36 40 3 
Green-winged teal-----------.-~-- 2 & 6 8 1 1 1 -- 
143 52 
11 10 
4 2 
1 a 
2 4 
1 = 
Trace 3 
18 og 
37 45 20 
2 3 ~~ 

1 Class III broods only 
2 ss indicated by adult pairs and singles. 
115 
