Table 2. -- Brood Size by Age Class 
Species Less Than 1/3 1/2 to 2/3 Over 2/3 
Mallard 8.4 (19) 5.7 (19) 5.8 (22) 
Baldpate ? ( 1) 
Pintail 7 ( 1) 
Green-winged teal No comrlete counts 
Blue-winged teal and - 
Cinnamon teal 3 ( 1) 9 ( 1) 
Shoveler g* € 4) 
Wood duck 5.0 ( 4) 5.6 ( 7) 3.7 ( 3). 
Mergansers 10.0 ( 2) 
Coot 4.3 ( 3) 1.8 ( 5) 
All species of ducks: 
1949 7.7 (26) 5.7 (27) 5.9 (28) 
1948 6.6 (14) 5.0 (12) 4.8 (6) 
"Reported by Lawrence Seabury, State Game Protector. Number of broods 
comprising each average ie given in parentheses. 
Table 3. ~~ Waterfowl Production by Habitat Types 
‘Habitats Tota} Fabitats Total 
Shallow lakes and sloughs Tidal channels 
(15 broods per mile) 2,462 (1 brood per mile) 381 
Deever Lakes Swamps 
(3 broods per mile) 1,740 (1 brood per 200 acres) 88 
Creeks, ditches, small _ Ten percent for habitat 
sloughs not examined 575 
(2 broods per mile) 1,072 


Total Broods 6,640 
Total Young Plus 
Resident Adults 58,147 
* A 70 percent nesting success has been assumed in all cases. 
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