Species Composition - Pacific Flyway (Continental) 1954 and. 1955 
(Comparable Coverage) 
.» Percent of Birds Identified 
- Percent Change 

Species 1954 ' - 1955 -- 1954-1955 - 
Pintail 26.7 30.8 +°° Sack: 
Mallard — 20.1 17.7 = 20.1 
Coot ; 12.1 8.2 ote 38,8> 
Baldpate 11.2 11.7 - 5.3 
Shoveler 5.0 5, 1 - 8.1 
Scaup 4.2 ~~. 3y'D = 24,8 
Snow Goose (Se 3.6 om , LA. 
G-w. Teal 2.9 4.4 + 37.4 
Canada Goose Z.3 Le ~ 40.1 
Scoter and Hider 2.1 1.7 - 20.4 
Cackling Goose 1.8 Z..'5 + 26.3 © 
White-F. Goose lee 2.3 + 18.6 
Black Brant 1.4 “1.5 + 2.1 
Goldeneye 8 a2 - 21.9 
Ruddy duck .8 9 + 14 
Gadwall ah 9 + 8.1 
Canvasback .6 9 + 33.8 
Bufflehead “3% a ea wane 
Tree duck .4 2 - 58.6 
Merganser 4 .3 - 36.6 - 
Redhead 4. 4 - 12.8 
Whistling Swan “33 4 + 32.8 
B-w. & Cinn. Teal 2 .2 + 23.3 
Old Squaw vd 1 - 6.7 
Ringneck tr. tr. - 
Ross' Goose tr. tr. - 
Wood duck tr. tr.) - 
Trumpeter Swan tr. tr. - 
Emperor Goose tx". tx. - 
Total > 100.0 100.0 - 9.8 
wv 
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