248 
Tab le IV. - Summary of 1954 Brood Data - Wisconsin Waterfowl Breeding Surveys 



Class I Class II Class III Total 
No. No. Ave. No. No. Ave. No. No. Ave. No. No. Ave. 
Species Broods Yng. Size Broods Yng. Size Broods Yng. Size Broods Yng. Size 
B-w. teal 23 195 8.5 22 164 7.5 2 9 4.5 47 368 7.8 
Mallard 5 39 «67:8 25 168 6.7 12 81 6.8 42 288 6.9 
Black duck 1 10 = 3 14 4.7 8 43 a.5 12 67 5.6 
Wood duck 5 48 9.6 0 0 = 3 16 5 3 8 64 8.0 
Pintail 0 0 = I 3 a | ) - 1 s #2 
Total 
Dabblers 34 292 8.6 51 349 6.8 25 149 6.0 110 790 7.2 
Ringneck 3 os FT Z 13 6.5 1 6 - 6 42 7.0 
Hood. Merg. 1 7 - 5 25 5.0 1 3 = 7 35 5.0 
Total 
Divers 4 30 7.5 7 38 5.4 2 9 4.5 13 77 6.0 
All Ducks 38 322 8.5 58 387 6.7 27 158 5.9 123 867 7.0 
Table V.* Comparison of Wisconsin Waterfowl Breeding Survey Figures, 1951-1954, 
Young / Average 
Pairs Indicated Of Total Flocked Breeding Indicated Brood Indicated 
Year /Acre Change Birds, %Female Pair Change Size § Change 
1951 078 - 16% 1.46 = 6.5 - 
1952 092 + 18% 19% 2.58 + 77% 6.6 + 2% 
1953 . 180 + 96% 27% 2.35 - 9% 7.0 + 6% 
1954 .176 - 2% 35% 1.65 - 30% 7.0 None 
