107 
Table 6. -- Brood Census Summary in Qregon; 1950 
‘WEST OF CASCADES *-. . | 

Census Total . . Average Brood Size Broods No. 
Area Fem. % Fem,  Glasg Class Class Per Sq. Young Per 
Period Sq. Ml. Species Censused W/Broods 1 2 “3 Mi. Sq. Mile 
June 6 Mallard 20 5% Ce a - 1.5 8.2 
lst half Wood Duck 6 67% 6.7 k - 7 h.O 
Shoveler 1 10 - 6 =. 22 1,0 
TOTAL 5 ee s 7 a 243 13,1 
June 15 Mallard 13 38% 5 6 47 233 17 
2nd half Pintail 1 1008 , = a2” Lae 07 2 
Wood Duck 10° 20% ~ 2.5 - ih 33 
B-W. Teal 1 100% 3 ~ = 07 ee 
Shoveler 1 - - ~- ~ - ad 
TOT 26 : - - = 61 2 
July 9. 5 Mallard 17 70% = 2 5 ed. 1.3 6. 1 
lst half Wood Duck 5 20% - os 2 * 45 ., 1.0 
Shoveler 1 1 _ - 2 5 1.0 
OTAL 2 61 im ms ~ 25 8.1 
July 20.5 Mallard 18 72% ~ h 6.44 06 3.9 
* @nd half Wood Duck 5 20% - = 2 mi Uy 
Shoveler 1 100% - - | - ol me 

