Table IV. - Brood Sizes Taken from Ground Surveys - All Age Classes. 
Species 
Baldpate 
Green-winged Teal 
Mallard 
Pintail 
Shoveler 
Scaup 

1953 
7. 2(51) 
8. 2(8) 
7.4(11) 
6. 6(31) 
8. 3(7) 
8. 1(24) 
Ft. Yukon Flats 
1954 
6. 1(1 30) 
5. 6(50) 
5. 3(89) 
6.4(108) 
Copper River Delta 
1955 1952 1953 1954 1955 
6. 3(217) - - cE - 
6. 3(40) . P : : 
6.2(38) 5. 0(4) 5.5(66) 5.5(70) 5. 3(13) 
6. 4(47) - ' - - 
Selawik 
1955 
6. 3(42) 
6. 4(19) 
4.0(2) 
4.6(52) 
6. 4(87) 

