Table VI.-Comparison by Species - July Brood and "Later Brood" Indices - 1952 - 1954 (From July Air Surveys). 


July, 1952 July, 1953 July, 1954 
Late Late Late 
Species ——s_—s Broods _—_—_—_—_—sCNeSting Index ———s Broods Nesting Index Broods Nesting Index 
Pintail 272,160 13,510 36, 250 " 32,870 19, 200 10,980 
Mallard 155,510 44,030 92,130 107, 890 49,710 81,420 
Baldpate _ 10,520 18,000 8, 850 21,080 2,150 17, 260 
Shoveler 32, 380 11,670 18,550 13,390 10, 750 5, 360 
Gadwall 7,580 12,450 8,120 14, 840 1, 830 13,490 
B-w. Teal 17,500 18,470 7,890 35, 380 10, 710 23,620 
G-w. Teal 800 1, 860 0 3,460 0 4,770 
Scaup 1,530 8, 700 3, 870 28,450 370 12,590 
Canvasback 6, 840 830 7,220 15,660 2,690 3, 240 
Redhead 420 3,220 0 7,970 0 4,500 
Ringneck 420. 0 0 2,990 0 5,170 
Ruddy 3,150 7,130 750 14,020 870 16,670 
Goldeneye 0 920 0 0 0 1,980 
Scoter 390 0 0 2,540 0 1,320 
Bufflehead 0 0 0 450 0 0 
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Total Broods 509, 200 183, 630 98, 280 
Total Late Nesting Index 140, 790 300,990 202,370 
Coot 28,770 84, 230 8, 380 53,480 4,330 62, 830 
Ponds 855,070 2,551,420 2,818,090 
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