
208 
Table 2, -- Waterfowl Observed On River Trauseete In Indiana During 1950 
Breeding Ground Survey 
Transect No. of Ducks Per Mile 
(rivers) Date Mileage Ducks Coot Broods Young Adult All Ages 
1R Muscatatuck 4/19 14 133 48 1 2 9.5 9.6 
a 5/25 14 36 - 21 144 2.6 12.9 
3R Wabash 5/2 12 180 20 - - 15.0 15.0 
5R Elkhart 5/l2 17 19 - - - i 1 1.1 
Th 6/29 17 5 . 4 23 0.3 1.6 
6R Big Blue 4/26 12 41 4 ‘ - 3.4 3.4 
= 6/14 12 17 - 11 72 1.4 7.4 , 
7R White 4/27 20 50 - - - 2.5 2.5 
Te 5/24 20 26 ‘. 2 19 1.3 2.3 
8R Eel 4/17 13. 40 2 - - 3.'1 3.1 
ag 5/23. 13 18 1 7 43 1.4 4,7 
9R Sugar Creek 5/2 8 13 - - - 1.6 1.6 
iat 7/10 8 5 - - - 0.6 0.6 
10R Mississinewa 5/9 13 17 : - - 1.3 1.3 
= 6/ 9 13 15 1 9 66 1.2 6.2 
11R Salamonie 5/10 15 14 = - - 0.9 0.9 
T2R Whitewater 4/25 7 13 = < = 2.0 2.0 
T3R Tippecanoe 5/ 5 12 23 - - - 2.0 2.0 
—e 7/10 12 0 - - - 0 0 
14R Iroquois 5/ 4 14 79 3 a - 5.6 5.6 
aa 7/7 14 9 - 6 35 0.6 3.1 
15R Pigeon 5/18 10 18 - - - 1.8 1.8 
1. Transects 2R and 4R not run in 1950. 
The same study areas were censused in 8 northern Indiana counties in 1949 
and 1950. Waterfowl populations on these areas have been compared (Table 3). 
Although the number of ducks-per-square-mile vary greatly from one year to the 
next for some species and areas, there were 13 broods observed on the areas during 
both years. : 
