Area sampled (sq. mi. )------ 
Ducks: 
Number counted; 
Percent change, 1961 from 
TABLE E-11,~--Trend in duck numbers, Utah, 1957-61 

eee tet tote td 
raese seesaw es eos 
Box Elder Weber 
County County 
48.0 15,5 


Davis 
County 
14.2 


Route flow 
Jordan River 
Clubs 
6.2 


Salt Lake Utah Total 
County County 
6.7 18.0 

TABLE E-12,--Trends in dike line breeding pair counts of waterfowl on four State refuges, Utah, 1957-1961 
Ducks: 
Dabblers: 
Species 
er 
ae eee ee eee eee ee eee 
Oe 
seen eee ee eee ee 
Blue-winged teal--~---+------- 
Green-winged teal 
American 
widgeon---~------------ 
Subtotal ----------n nsec = 
Divers: 
see ee See eee ee ee Se 
ee ae ee ee ee 
3,663 
157 

1961 
.290 
4,379 
161 
