Table V - Duck Brood Census in Oregon ~- East of Cascades (continued) 
Percent 
Census Area Females Females Average Brood Size Broods/ Young/ 
July 1st half 16.1 Mallard 21 52 5.2 5.8 6.5 | 0.7 3.9 
Pintail 3 33 - = 4,0 0.1 0.4 
Cinn, teal 4 25 6.0 - = 0.1 0.4 
G-w. teal 3 33 . 5.0 : 0.1 0.3 
Gadwall 18 39 8.2 5.0 5.0 0,4 3.0 
Redhead 15 80 8.5 3.5 - 0.7 5.3 
B-w. teal 2 0 - - - = - 
Ruddy duck 3 67 5.0 3.0 - 0.2 0.5 
Shoveler l 0 - - - 7 . 
Wood duck 3 67 - 6.0 - 0.2 0.7 
Total 73 51 - - - 2.3 14.6 
July 2nd half 10.1 Mallard 56 61 9.0 6.1 5.9 3.3 20.6 
Pintail il 37 8.5 9.0 3.0 0.4 2e9 
Cinn, teal 5 80 10.0 9.0 - 0.4 a7 
Gadwall 16 100 9.5 8.7 - 1.6 14.3 
Redhead 15 93 8.0 8.6 - 1.4 11,6 
Ruddy duck 8 100 5.2 8.0 - 0.8 4.6 
Scaup 10 60 4.6 7.0 - 0.6 3.0 
Wood duck 4 75 9.0 7.0 - 0.3 1.6 
G-w. teal 2 100 - - 8.0 0.2 1.6 
Total 127 72 ° - - 9.0 64.0 
August lst half 3.5 * Mallard 85 70 8.0 6.0 4.3 17.2 75.0 
Pintail 9 100 - - 6.4 2.6 16.6 
Cinn. teal 24 50 - - mal 3.4 24.5 
Gadwall 11 82 - - 7.0 2.6 17.7 
Scaup 12 100 - “ 5.8 3.4 20.0 
Ruddy duck 10 70 - - 5.0 2.0 12.5 
Wood duck 8 37 - - 5.0 0.9 4.3 
0 
196.5 
Ww 
Ww 
Total 159 7] = - = 
* Note this is an isolated sample and is not representative at this time of year. 
6eT 
