Table 3 -- Nest History Data for Parklands - Areas 1, 2 and 3 
ga are —P= 7 Png sic, 
No. 
Average Unsuc- Success- EGG LOSS CAUSED BY 
Species Total Total Clutch cessful ful Percent. Infertile Unknown 
Nests Eggs Size Nests Eggs Success Desertion Eggs Plowing Crows Coyote Fire Predator 

Mallard 39 315 8.0 10 219 74 13 - 28 17 10 - 28 
Pintail 7 42 6.0 4 21 43 - 1 13 - - - 7 
Gadwall 3 25 8.3 2 16 33 - - - - - - 16 
G-w. teal 2 18 9.0 1 9 50 9 7 . ss _ " : 
B-w. teal 6 51 8.5 4 19 67 - - ~ 24 ~ - 8 
Shoveler | 2 18 9.0 1 9 50 - - - - . 2 9 
Redhead ] 11 11.0 0 1] 100 - - - . 7 : . 
Canvasback * 13 113 8.6 11 7 0 53 ll - 4 - - 1} 
Scaup * 9 78 8.6 0 67 100 1 - - - - - - 
Ruddy * 4 31 7.7 3 0 0 1 ~ - - - 22 - 
Total 86 702 8.2 36 378 58 77 12 41 45 10 22 79 
Coot 88 956 10.8 1 923 99 (7) - 15 - - - - - 

* One nest history incomplete. 
STI 
