
37 
Nesting 
Fifty-seven duck nests were located on Area III, where all efforts to locate 
nesting birds were made by two men beating out the surrounding cover without the 
use of adog. Twenty-one coot nests were also located on this area. 
Table XVIII. - Nesting Data - Area III 
Nests Average Percent 
Species Located Clutch Destroyed Successful Success 
Mallard 13 6,4 9 4 30.8 
Pintail 3 9,3 0 3 100.0 
Blue-winged teal ll 9.5 10 1 10,0 
Green-winged teal 1 11.0 0 1 100.0 
Gadwall 2 10.5 2 0 00.0 
Redhead ] 4.0 ] 0 00.0 
Canvaspack 6 tl 1 5 83.8 
Scaup 12 9.1 4 8 66.6 
Ruddy 6 5,6 Z 4 66.6 
Canada Goose 2 5.0 1 l 50.0 
Total 57 7.8 30 27 47.4 
Coot . 21 8.0 3 18 85.7 
Eighty duck nests and twenty-eight coot nests were located on ArealV. During 
the latter, part of the season the crew received the assistance of a young Brittany 
Spaniel which was being trained for this type of work. 
Table XIX. - Nesting Data - Area IV 
Nests Average Percent 
Species Located Clitch Destroyed Successful Suecess 
Mallard 50 8.3 36 14 28.0 
Pintail 4 8.0 2 2 50.0 
Blue-winged teal 4 oa'D 3 1 25,0 
Green-winged teal 2 9.0 2 0 00.0 
Gadwall 1 11,0 0 1 100.0 
Canvasback 2 65 2 0 00.0 
Scaup 8 8.1 3 5 62.5 
Ruddy 8 5.3 5 3 37.5 
Unidentified 1 5.0 0 1 100.0 
Total | 80 9 53 27 33.7 
Coot 28 8.3 l 27 96.4 
Of the thirty nests destroyed on Area III, 9 (30.0 percent) were taken by crows 
and magpies, 7 (23.3 percent) were attributed to mammalian predators, 12 (40.0 
pércent) were destroyed by unknown causes and 2 (6.6 percent) by road construction. 
On ArealV, 26 (49.1 percent) were destroyed by crows and magpies, 9 (16.9 percent ) 
by: mammalian predators, 14 (26.4 percent) by unknown causes, 2 (3.8 percent) by 
cattle, 1 (1.9 percent) by hail and 1 (1.9 percent) by humans. 
