
197 
Table 2. -- Summary of Waterfawl Population Densities - Wisconsin, 1950 
a 
; (Based on a total of 4,927 ducks, coots, and geese censused). 
“Fueay ee ee 8 
wageses In: *.' Est Pairs Ducks per 
: Coots per 
per Sq. Mi. Percent Sq. Mi. Percent Sq. Mi. Percent 
Census Method 1950 1949 Change 1950 1949 Change 1950 1949 Change 
Cross country 0.61 0.65 - 3 lL? 4,5 20 0.2 0.4 -54 
transects (ground) 
356 sq. mi. sample 
Cross country 60.35 0.43 -15 1.7 2.2 -23 +0.39 0.24 65 
transects’'(aéerial) - 
429 hat mi. PRSESEEE 
ake and. Mazth.,. %2 @,a" 3 29.1 20.8 39 8.0 7.2 -2 
surveys, (aerial) 
75 sq,.mi. sample 
River Surveys - «= | 0.42 0.96 -~56 5.5 5.2 6 0.88 4,1 -79 
(aerial). 
76 Sq: mii’ Sample 

Summary of Data on Waterfowl Species Composition in Percentage for Principal 

Species * Wisconsin, 1950 
Lake & Marsh 
Ground (C.C,) Aerial (C.C.) (aerial) Rivers (aerial) 
ena 1950 1949 1950 1949 1950 1949 1950 1949 
Mallard a 12. 27 26 26 15 23 7 33 
Blue-winged teal * 36 44 14 «4 6 3 1 3 
Scaup * 25 #7 37 «45 49 48 85 45 
Coot ** 10 22 18 10 21 27 14 44 
Note: * Expressed in terms of total identified ducks 
hast Expressed in terms of total identified ducks, coots, and geese 
y ae : : 2 rn? » 
4a 
witiaugcterr sce 
: : 
a at cates re N 
me s bal 
