Nest Structures for Ducks and Geese
Figures
Figure 6. A wooden culvert partition designed to allow both Canada geese and mallards to use the same structure during the nesting season. (Adapted from I. J. Ball and S. K. Ball. 1991. Earth Filled Culverts as Nest Sites for Waterfowl. Prairie Nat. 23(2): 85-88.)
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