PACIFIC FLYWAY 
Ducks commonly shot for sport were down six-tenths of one 
percent and all species lumped together increased less than one-half of 
one percent. 
Total Breeding Population Indices - 1955 - 1957 - Northern Alberta and 
Northwest Territories 








Percent 
. : Change 
Species 1955 1956 1957. 1956-1957 
Scaup 1,150,100 1,219,100 1,120,300 . 8 
Pintail 105, 600 277,700 302,300 t 9 
Mallard 293,100 466,000 498,400 + 7 
Baldpate 228,500 301,100 261,500 + 30 
Shoveler 21,750 41,800 42,700 + 2 
Green-winged Teal 79,100 107, 600 70,,400 ~ 34 
Canvasback 29,700 20,800 18; 500 ~ Ii 
Goldeneye 86,600 32,900 57,300 + 74 
Bufflehead 160,950 120,700 92; 500 - 23 
Ringneck 18,050 54,800 40; 400 ~ 26 
Redhead 28,950 22,000 25,000 +14 
Blue-winged Teal 11,100 9,000 6;200 +116 
Gadwall . : 2,600 . 
Ruddy Duck ~ . | 6,,200 
Total Favored Ducks 2,213,500 2,573,500 2,557,500 bel 
Scoter 706,250 812,200 859, 400 + & 
Merganser 93,600 130.100 105,400 ~ 19 
Old Squaw 106, 750 169, 700 179; 600 + 6 
Total Ducks 3,120,100 3,685,500 3,701,900 N.C. 
Canada Goose 22,700 63, 300 21,000 - 67 
White-fronted Goose 2,800 - 7;800 — 7,800 N.G. 
Swan 11,750 15,050 11,400 - 24 

Production Data 
The lone drake factor was 52 percent, an increase of approximatsly 
10 percent over last year. This would indicate an earlier season if it could 
be relied upon to be of any significance in the north. However, such was not 
the case and the only logical conclusion that.can be drawn is that the early 
warm spell induced early nesting which may have suffered during the resump- 
tion of freezing weather. 
19° 
