Breeding Ducks Endangered Species Laws 
10,000 Birds
MARCH 5, 2024
These lands support countless birds, either year-round, as migratory stopovers, or as breeding grounds. Many refuges are strategically located along major flyways, allowing ducks and geese to hopscotch their way up the continent to northern breeding grounds and back down again. But what else should birders know?
10,000 Birds
MARCH 15, 2016
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. The System also helps implement the Endangered Species Act and other federal conservation laws.
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