Comparative Brood and Late-Nesting Indices (Aerial) - Southern Saskatchewan, July Survey 1953-58 
Species 1953 1954 195) 1956 199 1958 
Ln I 
Broods 
Not. 
Speciated 183,600 100,400 317,400 422,200 615,839 253,135 
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Pintail 32,900 11,500 79, 400 18,200 5 9385 31,900 
Mallard 107,900 82,900 180, 400 79,700 41,507 182, 600 
Baldpate 21,100 17,000 21, 300 12,000 4,012 23,200 
Shoveler 13,400 5,200 22, 800 12,000 2,2h3 10,900 
Gadwal1 14,800 13,800 28,500 16,400 3,460 16,700 
Blue-winged Teal 35,400 2h, 100 TT, 600 | 54, 300 1, 757 50,200 
Green-winged Teal 3,500 5,500 8,000 2,200 1,381 4,100 
09 
Late Nesting Indices 
SS re 


Subtotal Paddlers 229,000 160,000 418,000 194,800 69,755 319, 600 
Scaup 28, 500 11, 300 4, 300 - 26,200 27, 504 35,400 
Canvasback 15,700 2,700 15,500 7,300 1,707 T, 700 
Redhead 8,000 4,200 8, 10,500 1,943 8,200 
Ringneck 3,000 4. 500 3, 700 100 20}, 2,800 
Ruddy 14,000 18,000 20,000 21, 300 T, 449 20 ,900 
Goldeneye - - - - - - 
Bufflehead 500 - 900 - = - 
Scoter ‘2,500 1,200 hh, LOO 900 - 900 
Subtotal Divers 72,200 43,700 96,900 66, 300 38, 807 75,900 
GRAND TOTAL DUCKS 301, 200 203, 700 514,900 261,100 108, 562 395,500 
Coot Broods 8, 380 4,400 21,000 81,800 | 254,178 21,597 
Pond. Index 2,551,400 3,307,100 3,793,700 1,753,200 1,254,010 764,942 

