3 pages matching broods may move in this book
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abundance of aquatic adequate nesting habitat aquatic invertebrates Increase breeding habitat brood survival brood-rearing habitat Brood-rearing Period brood-rearing wetlands broods may move cause of nest clutch consult technical publications cover Create islands dabbling ducks data deficiencies diving ducks duck broods duck nests duck species ducks construct nests ecosystem eggs emergent plants emergent vegetation estimated number Fish and Wildlife grassland hens Holding Spring Migrants Increase abundance incubation period indicated pairs islands or predator-proof large numbers limiting duck production limiting factor males management actions nest failure nest loss nest sites nest success rates nesting cover Create nesting cover YES northern Great Plains Note the number number of broods number of ducklings number of pairs number of resident pair densities PEAK populations experiencing predator-proof exclosures premanagement information quality of brood-rearing quality of nesting quantity remain after migrants renesting retain spring migrants secure adequate nesting suppress waterfowl wetland communities Wetland complexes Wildlife Leaflet 13.2.7