TABLE E-13.--Trend in indicated numbers of breeding ducks on selected areas in south central Utah, 1957-61 






Clear Lake Refuge---------- 
Lower Sevier Lake?--------- seas 
Gunnison Reservolr--------- a 
Scipio Lake--------~~----~-- he 
Fool's Creek Reservoir anon al 
Redmond Lake*------~~------ 
ee ee ee 
Ce ee 
1 All lakes except Swan Lake dry in 1960-1961. 
2 Census figures for Olsen's Slough and Redmond Lake are combined in 1957 listings. 
TABLE E-~14.--Trend in waterfow! breeding populations, by species, southern Saskatchewan, May 1952-61 
[Index numbers, in thousands ] 
Species 1954 1956 1958 | 1959 | 1960 | 1962 
Ducks: 
Dabblers: 
Pintail-------------+.- 
Mallard---------------- 
American widgeon: ~------ 
ShovelLer~--------------- 
Blue-winged teal------- 
Green-winged teal------ 
Subtotal-------------- 
Divers: 
edhead--~---------.--~ 
@necked duck~------ 
Goldeneye-------------- 
Buff lehead------------- 
Ruddy duck----- eee porte ae 
Subtotal-------------- 
Miscellaneous: 
Total ducks----------- 4,448 |..4,586 | 4,584 | 5,744 | 6, 6,714 | 5,287 | 5,193 | 3,172 | 3,254 | 2,038 
le ace ee ae a 

