ZL 
Table 2 - Wood Duck Nesting Box Success at Lake Odessa, Louisa County, Iowa 

1950 1951 1952 1953 1954 1955 

Number of Nesting Boxes oy 
Checked. 26 36 24 30. 72 56 
(22 wood) (12 wood) 
(50 metal) (44 metal) 
Number of Nesting Boxes 
Occupied 18 . 13 18 15 11 6 
pre -flood (7 wood d.) (5 wood d.) 
9 | (4 merg.) (1 merg.) 
post-flood 
Number of Nests Destroyed 
by Flood 0 13 0 0 0 0 
Number-of Eggs Destroyed 
by Flood 0 108 0 0 0 0 
| wood duck 
Total Number of Potentially _ te re Moa 
Successful Eggs 158 72 237 1i1 Not Estimated Not Estimated : 
wood duck * duck : ‘ - ~*. 
0 28 17 
merganser merganser merganser — 
Number of Successful Nestsll _ 6 2 (as eee Cee Se 
Number of Ducklings , 
Successfully Hatched 129 68 2 mx 2 ae ? meal 2 

