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BREEDING WATERFOWL POPULATIONS ON THE STUDY AREA
Some Territorial Characteristics Of Breeding Species
A STUDY OF DUCK NESTS AND THEIR OUTCOMES
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157 duck nests abundant acres active nests April birds black duck nests blue-winged teal blue-winged teal nest breeding population brood observed cattail census census routes cent clutch cord grass crow predation deserted destroyed nest duck foods duck nests located early eggs estimate flooding flushed fox snake hatched high water incubation period June Kalmbach Lake Erie marshes lake level Lucas County main dikes mallard nest mallard or black mallards and black mammals meadows muskrat houses nest contained nest cover nest terminations nesting season nesting success nesting waterfowl nests at Winous nests found nests were found nests were located nests were successful Norway rats Ohio opossums Ottawa County Pintail punt boat raccoon renesting Sandusky Bay sedges seiches severe seiche spoil dikes study area stump successful nests tablished terri territorial activity territorial pairs vegetation water levels waterfowl waterfowl breeding waterfowl production week Wildl Winous Point Marsh wood duck writer