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?

Virgin Islands 219

Virgin Islands Alaska United States Endangered Species 219

10,000 Birds

SEPTEMBER 9, 2014

Kirtland’s Warbler is a classic niche species; they breed in only very specific conditions, which occur in only a very specific area. That is a big difference compared to the 2,000+ singing males detected in 2012, well above the recovery goal for this species set by the U.S. this species breeds.

Albatross 211

Albatross Endangered Species Geese Alaska 211

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.

Wildlife 189

Wildlife Grizzly Bear Puerto Rico United States 189