WPAs: America’s Duck Factories
10,000 Birds
MARCH 8, 2017
Birders are familiar with the National Wildlife Refuge System, which consists of more than 550 units distributed through all fifty states. National Wildlife Refuges (NWRs), which are managed by the U.S. The region has justifiably been referred to as the “Duck Factory of North America.” Ding” Darling NWR in Florida.
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