The National Wildlife Refuge System: Birders Leading the Way
10,000 Birds
MARCH 15, 2016
Fish and Wildlife Service (FWS) and they are located in every state as well as Puerto Rico, the U.S. Individually, many NWRs protect crucial bird habitat. Because many NWRs were established to protect migrating birds, they lie along one of the four primary flyways. The reason is twofold, size and mission.
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