TABLE E-4. --Waterfowl breeding population indexes in northern Alberta, northeastern British Columbia, 
Species 
Ducks: 
Dabblers: 
Mallard----~----~.- 
Gadwal]-~----------- 
American widgeon--- 
Green-winged teal-- 
Blue-winged teal--- 
Shoveler----------- 
Pintail------------ 
Subtotal--------+- 
Divers: 
Redhead-------+.-++ 
Canvasback~-------- 
Ring-necked duck--- 
Goldeneye--------=--- 
Bufflehead--------- 
Ruddy duck--------- 
Subtotal-~-+---+-+-+- 
Miscellaneous: 
Seoter and eider--- 
Oldsquaw----------- 
Mer ganser--------=-- 
Subtotal --------- 
Total ducks------ 
Northwest Territories, and Yukon, 1962 and 1963. ~Continued 
a ae ee ee 







116,600 
23,300 
46,700 
156, 300 


182,800 













1,110,800 1,156,900 
me 53,600 32,400 
roe 18,700 66,900 
Sas 1,391,000 1,538,500 
Me 41,400 46,000 
mats 86,400 13,100 
172,400 113,200 
1,900 14,400 







395 , 500 1,765,400 1,824,500 
227,100 577,300 602,000 
42,500 144,500 81,200 
is, *i00 62, 100 85, 000 
3,660,100 | Y 3°749,600 
16,400 24,900 
6,200 1,400 
25,900 60,000 
26 500 32,100 

11zZ 
Percent 
change 
fron 
1962 
+10 
-11 
-14 
+93 
+31 
-34 
-15 
+6 
-40 
+258 
+11 
+11 
-85 
-34 
+658 
+ 
-hy 
+37 
-2 
+2 
+52 
-T7 
+4135 
+21 
