Coastal Tundra (between MacKenzie and Anderson Rivers, N. W. T.) 
Ducks per square mile: 1948 - 11.5 
1949 - 12.4 
1950 - 17.0 
Swan per square mile: 1948 - 1.6 
1949 - 1,7 
1950 - 1.8 
Canada geese / square mile: 1948 - 0.3 
1949 - --- 
1950 - --- 
White-fronted geese /sq. mi.: 1948 - 2.0 
1949 - 0.3 
1950 - 2.5 
(Increase over 1949 of 27.1% in ducks). 
Percent Composition 1950 
Old-squaw 38.6 Scaup 3.8 
Pintail 21.6 Golden-eye 1.9 
King eider 20.5 Unidentified ducks 0.9 
Scoters 12,7 
Transition Zone (between MacKenzie and Anderson Rivers, N. W. T.) 
Ducks per square mile: 1948 - 12.4 
1949 - 8.9 
1950 - 13.2 
Swan per square mile: 1948 - 0,3 
| 1949 - 0.4 
1950 - 0.2 
(Increase over 1949 of 32. 6% in ducks). 
Percent Composition 1950 
Scoters 36,4 Scaup 16,4 
Old-squaw 22.4 Pintail 3.9 
Baldpate 19.0 
(Remainder consisting of golden-eyes and unidentified ducks). 
Old Crow Flats (Yukon Territory) 
Ducks per square mile: 1948 - 56,2 
1949 - 38.0 
1950 - 43.0 
Geese per square mile: 1948 - 2.4 
1949 - 2.2 
1950 - 1.8 
(Increase over 1949 of 11.6% in ducks). 
Percent Composition 1950 
Scoter 43.6 Golden-eye 3.6 
-Scaup 17.8 Baldpate 3.3 
Canvasback 12.4 Unidentified ducks 1,3 
Pintail 10.1 Mallard 0.7 
Old-squaw 6.6 
