National Treasure: The Feud Behind the Peacock Room (05:20) Introducing the Smithsonian Magazine App (01:29) Meet the Grand Prize Winner of the 21st Annual Smithsonian Magazine Photo Contest (01:01) ...

The Kirtland’s warbler (Setophaga kirtlandii), one of the first animals to be placed on the US Fish and Wildlife Service’s Endangered Species List, has made a comeback. The species was removed from ...