PACIFIC FLYWAY 
Indices to Total Breeding Ducks 
Av. Index 
1950-1952 
Percent Change 
Species of 1953 Index from 
1952 Index 1953 Index 
3 &. oe: | Av. (ay 1952 (b) 
Mallard 228, 887 336,061 449,599 + 96.43 + 33,78 
Pintail _ 305, 865 456,787 432,980 + 41.56 - 5.21 
B-w. Teal 38, 868 35,475 30,119 - 22.51 - 15,10 
G-w. Teal 9,793 ‘a 4,871. - 50.26 - 
Gadwall 11,923 omy es 9,147. - 23.38 _ 
Baldpate 44,656 56, 888 86,421 + 93.53 + 51.91 
Shoveler 43,102 52,809 76,205 + 76.80 + 44,30 
Cinn, Teal - = 709 - - 
Total Puddlers 683,094 938,020 1,090,051 + 59.57 + 16.21 
Redhead 8, 943 Zs 20, 376 +127..84 “ 
Canvasback 10, 785 - 17,814 + 65,17 - 
Scaup ——«+5564, 055 64, 421 61,422 + 13,63 - 4,63 
Misc, ducks* 85,987 | 85, 987 - - - 
Ruddy duck 10,667 - 6, 800 - 36,25 = 
Bufflehead and | 
Goldeneye 5, 861 ~ 5,231 - 10,75 - q 
Total Divers 85, 497 64,421 111,643 +.30.58 + 73,30 
Total Ducks 854,578 1,088,428 1,201,694 + 40,62 + 10.41 
91,794 +137.63 - 
Coot 38, 629 - 
* This category was used in 1952 and will be discontinued hereafter. It 
included all the minor species - gadwall, redhead, canvasback, ruddy, 
bufflehead and goldeneye. 
af, 
