Table 10. Comparison of July Brood and Late Nesting Indices 
SOUTHERN MANITOBA, 1958 and 1959 
Species 
Duck Broods 
All Species 
STRATUM "A" 
1958 
39,400 
1999 
14,600 
‘STRATUM "B" 
1958 1959 
23,400 16,500 
STRATA Matta upAtt % Change 
1958 
62, 800 
1959 
31, 100 
1958-1959 
- 30 
Ne een ee ne A SSP 
Late Nesting Indices 

Pintail 2,600 1,800 2,100 700 4, 700 2,500 
Mallard 14,500 11,400 9, 300 8, 600 23, 800 20,000 
Baldpate 6,500 2,000 2,100 1,900 8, 600 3,900 
Shoveler 800 400 ~ -“ 800 oo 
Gadwall 700 300 r - TOO 300 
B. W. Teal 12,200 12,000 3,600 8,600 15,800 20,600 
G. W. Teal 500 ~ 2. z 500 
Scaup 8,600 4,500 2,600 3,300 11,200 7,800 
Canvasback 1,700 200 2,600 700 4, 300 900 
Redhead 2,600 600 500 700 3,100 1, 300 
Ringneck 1,600 300 - 700 1,600 1,000 
Ruddy 2,400 800 3,100 5,900 5,500 6,700 
Goldeneye 400 100 “ 700 4OO 800 
Bufflehead 300 = 500 500 1, 300 800 1,800 
Black Duck - ~ 500 “ 500 _ 
Scoter 100 - - = 100 - 
TOTAL 55,500 35,100 26,900 33,100 82,400 68, 200 - 17 
_ Coot Broods 7,400 200 5, 800 1,100 13,200 1, 300 - 990.2 
Adult Coots 6,000 2,400 8,300 8,600 14, 300 11,000 =23 
Ponds 163,300 95,500 341,000 324,500 504,300 420,000. -17 
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