TABLE E-6,--Ten-year trend in waterfowl breeding population indices by species, 
southern Alberta, May, 1954-63 
f Index numbers in thousands | 

Ducks: 
Dabblers: 
American widgeon------- _ 
Green-winged teal-------- 
Blue-winged teal--------- 
ShoveLer------~--=--+-==-- 
Pintail------------.----~- 
Subtotal------------~-- 
Divers: 
Ring-necked duck--------- 
Goldeneye---------------- 
Bufflehead---+---.-----+-- 
Subtotal------+-----~---- 
Miscellaneous: 
Scoter ---<--e nnn n ne ennenee 
Total ducks-------«0.---- 
Geese: 
Canada goose~-------------- 
Grand totall-------------- 
1 Canada geese included only in 1963 
114 

