
1a 
ALIFORNI 
Weather and Water. Conditions 
Precipitation in northeaste rn, California was normal or 
slightly above normal for the second year. These conditim s resulted: | 
in an abundance of water areas available during the nesting season | 
throughout this section of the State. 
Winter rains fell below normal in the central part of the 
State, but nesting conditions were not altered since most of the nesting 
occurs in the rice belt.- 
The spring was warm and dry, and migration again began. 
early. =~ | os 
Breeding Population: Indices 
A comparative summary of nesting pairs of waterfowl for 
a five-year period is shown in the following table. 
Estimated Total Nesting Pairs by Years 



Species 195319541955 1956 1957 
Mallard 40,380 35,695 34,500 29,410 38,210 
Pintail 2,100 2.375 1,260 1.850 1,830 
Gadwall 6, 040 5,450 3,150 2,710 1,720 
Cinnamon Teal 3,435 3,695 4,560 4,760 1,360 
Redhead 3,760 6,405 4,220 4,430 1,100 
Ruddy Duck 1,950 3,225 2,990 2,230 1,330 
Shoveler 925 810 530 630 1,240 
Scaup 235 150 180 340 990 
Others 545 490 190 350 460 
Total Pairs (Ducks) 59,370 58,295 51,580 46,710 48,240 
Total Pairs (Coot) 25,150 16,110 12,070 12, 870 11,805 
Total Pairs (Canada 
Geese) 3,300 2,870 3,130 3,900 
ete ne i ed Sa eet 
Te aS Ses eaen epee rene Gras Pace ae nage a ar ae a ce ee 
2,850 
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Cr oat Rial denaked 
Woe TLE IT ae rene. 
1 
ett eadt tent rages ahravine <f ree eer ae A alee PO SO Ne RN TE FE UT IS EES 
on beams. eS ae sires en ee a pa ae ei 
