TABLE E-13.--Aerial counts of Canada goose breeding pairs and grouped birds, Idaho, 1957-1963 














Snake River drainage: 
Farewell Bend to railroad bridge--------- 
Payette River (mouth to Emmett )-----~--~--- 
Strike Dam to American Falls Dam--------- 
North Fork, including Island Park~------~- 
South Fork~---------------------.----+---- 
Mud Lake - Camas Refuge area------------- 
Gray's Lake area-----~-.---------~--5--- ne 
Blackfoot Reservoir area--------------.--.- 
Subtotal ----0-0--~. 26-4 oe eee 
Bear River and drainage: 
Dingle Marsh area-~--------------.-~----+- 

Cee ee et ee ee ee ee 
TABLE E-14.--Long-term trend in waterfowl breeding population indexes by species 
southern Saskatchewan, May 1956-63 
[Index numbers in thousands] 


























Ducks: 
Dabblers: 
Mallard-~---------- 2,999.8 1,589.5 
Black duck-------+--- 
Gadwall~----------- 51.6 67.4 
American widgeon--- 283.3 137.3 
Green-winged teal-- 23.7 28.9 





Blue-winged teal--- 202.5 132.7 
Shoveler----~+----~-- 202.8 294.2 
Pintail-----+------ THT .9 51561 
Wood duck---------- 
Subtotal-~------- 5905.5 
Divers: 
Redhead ----------~-~+ 50. 14.0 
Canvasback---=----- 61 52.4 
Scaup-------------- hg, 58.3 
Ringnecked duck---- Te 5.7 
Goldeneye---------- ge 1.6 
Bufflehead--+------ le. 10.0 
Ruddy -------~------ 28. 9.9 
Subtotal a a a a ae 317 e 151 9 
Miscellaneous: 
Mer ganser-~-------- 5.4 
Scoterene-e an -- 2 == h . 3 
Subtotal --------- 9.7 
Total ducks------~ 1,539.2 
Geese: 
Canada goose-<-~---~- 3.6 
Coots-----=-----------6 26.2 
sot tines [Ope fone [Saver [oat [me we 
118 
