TABLE F-12,--Trend in number of young produced on key areas, by species, 
Nevada, 1959-63 









Percent 
Species change 
' from 1962 
Ducks: 
Dabblers: 
Mal lard-----+---------------~- ray 
Gadwall----------------------- +22 
American widgeon-------------- oy 
Green-winged teal ae 
Cinnamon teal----------------- -32 
Shoveler------------4--------- -8 
Pintail-----------~----------- +8 
Subtotal-----------------+-- +.3 
Divers: 
Redhead-----------+----.----+-- +58 
Canvasback-------------------- +728 
Scaup----+----+---+----------- +28 
Ruddy duck-------------------- -34 
Subtotal-------------------- +39 
Total ducks----------------- 5,817 2,124 1,759 2,777 3,069 +10 
Canada goose---------------------- 605 596 Sh 848 615 -2T 
TABLE F-13.--Duck broods by species, all age classes, Nevada, 1962-63 
1962 1963 
Species 
Number of broods Number of broods Average size 
Dabblers: 
Mallard------------------------ 118 mee 108 6.7 
Gadwall------------------------ 58 7.4 TT 6.8 
American widgeon------------+--- 1 8.0 -- -- 
Green-wing teal---------------- -- -- 11 5.7 
Cinnamon teal------------------ 86 6.0 50 7.0 
Shoveler----sen-sseeet este st 8 6.2 if 6.6 
Pintail------------------------ 55 5.9 52 6.7 
Subtotal 305 = 
Divers: 
Redhead- ----------------------- 98 T-0 
Canvasback 26 6.5 
Scaup-------------------------- 4 5.7 
Ruddy duck 26 4g 
Subtotal 154 fu 
142 
