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. For example, essentially the entire population of the endangered Whooping Crane winters at Aransas NWR in Texas. Farallon NWR , a group of islands near San Francisco, hosts the largest colonies of breeding seabirds south of Alaska.
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