WPAs: America’s Duck Factories
10,000 Birds
MARCH 8, 2017
But within the National Wildlife Refuge System is a frequently overlooked collection of properties burdened by a mundane name: Waterfowl Production Areas (WPAs). The region has justifiably been referred to as the “Duck Factory of North America.” Photos: Prairie Potholes at Kulm WMD in North Dakota (USFWS).
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