Table IX - Waterfowl Brood Counts by Species, North Park Study Areas, Colorado -- 1951 and 1952 
BROODS OBSERVED - 1951 



Class I Class II Class III Totals 
Species a SS a re eR lk ee ee 2 
Brds. Yg. Av. Brds. Yg. Av. Brds. Yg. Av. Broods Young Average 
Mallard 80 502 6,3 26 174 6.7 42 264 6.3 148 940 6.4 
Gadwall 49 368 7.5 13 97 7.5 6 29 4.8 68 494 7.3 
Baldpate 141 924 6.6 39 240 6.2 35 233 6.7 215 1,397 6.5 
Pintail 21 105 5.0 9 46 5.1 13 64 4.9 43 215 5.9 
Green-winged teal 9 54 6.0 3 21 7.0 7 41 5.9 19 116 6.1 
B-w. & Cinn, teal 3 28 9.3 - - - 3 13 4.3 6 41 6.8 
Shoveler 9 61 6.8 2 14 7.0 4 28 7.0 15 103 6.9 
Redhead 25 187 7.5 1 8 8.0 5 26 5.2 31 22) 71 
Canvasback 2 14 7.0 - - - 2 Lik 565 4 25 8.8 
Lesser scaup 25 220 8.8 10 86 8.6 6 43 7.2 41 349 8.5 
Ruddy duck 6 37 6.2 - - - 6 42 7.0 12 79 6.6 
American merganser - - ~ - - - 1 3 3.0 ] 3 3.0 
Unidentified 10 54 5.4 5 20 4.0 1 6 6.0 16 80 5.0 
Total 380 2,554 6.7 108 706 6.5 13) 803 6.1 619 4,063 6.6 
BROODS OBSERVED - 1952 
Mallard 83 548 6,6 33 215 6.5 51 322 6.3 167 1,085 6.5 
Gadwall 47 298 6.3 16 100 6.3 5 28 5.6 68 426 6.3 
Baldpate 17 772 6.6 29 201 6.9 34 233 6.9 180 1,206 6,7 
Pintail 15 88 5.9 10 65 6.5 26 147 5.7 51 300 Bae 
Green-winged teal 24 159 6.6 6 35 5.8 13 78 6,0 43 272 6.3 
B-w. & Cinn. teal 1 8 8.0 - - - ] 2 2.0 2 10 5.0 
Shoveler 2 5 2,75 2 12 6.0 2 12 6.0 6 29 4.8 
Redhead 8 51 6.4 6 57 9.5 9 62 6.9 23 170 7.4 
Canvasback 11 83 7.5 5 34 6.8 4 30 7.5 20 147 7.4 
Lesser scaup 40 302 .7.6 17 140 8.2 10 76 7.6 67 518 7.7 
Ruddy duck 2 13 6.5 - - - 1 7 7.0 3 20 6.7 
Unidentified 35 230 6.6 14 98 7.0 23 171 7.4 72 499 6.9 
‘Total 385. 2,557 6.6 138 957 6.9 179 1,168 6.5 702 4,682 = 6.7 
6Lt 

