Many birds that play do it alone by swinging, sliding, or rolling around. Some species interact with objects, like dropping a stone and picking it up again. But a select few birds – like these crows – play with other members of their species. Scientists call this social play. It appears to…

Great Black-backed Gulls have a reputation as serious predators of other birds like puffins, grebes, and songbirds as big as a grackle. Just over a century ago, these birds were nearly wiped out by feather hunters and egg collectors. And though their populations recovered with help from…

The Virginia Rail is a secretive bird, a relative of coots and cranes. And it's a bird you'll more often hear than spy. The rail takes its name from its narrow body (you know the saying, "as skinny as a rail") an adaptation to its favorite marshy habitats. A Virginia Rail walks hidden…

The Ruddy Turnstone stands out among sandpipers. On taking flight, the turnstone flashes a vivid and unmistakable pattern of dark and light striping across its wings and tail. And that comical chatter is one of a kind too. Unlike most sandpipers, Ruddy Turnstones favor rocky beaches and…

Trumpeter Swans are among the world's largest flying waterfowl. They can weight up to 25 pounds and have a wingspan of nearly seven feet! These swans migrate in family groups each fall from nesting sites in Canada and Alaska to wintering grounds in the central U.S. Trumpeter Swans are…

All 50 states and the District of Columbia have official birds. To become a state bird, it helped to be familiar, colorful, and have a punchy song. The Northern Cardinal perches as state bird in seven eastern states, the Western Meadowlark in six western states. Bluebirds — like this…

A birder may have a target bird so elusive that the bird becomes a kind of "jinx bird." But there was a real bird by that name! The bird once called the "jynx" is known today as the Eurasian Wryneck. When a wryneck is threatened, it twists its head like a snake and hisses. This behavior…

American Bitterns nest in marshes across the northern half of the United States and throughout much of Canada, and they winter along both U.S. coasts south into Central America. But in some places, bitterns are in serious trouble. Much of the extensive, shallow marshland they once bred in…

Muchas aves juegan solas, balanceándose, deslizándose o rodando. Algunas especies interactúan con objetos, como dejar caer una piedra y recogerla nuevamente. Pero unas pocas aves juegan con otros miembros de su especie. Los científicos lo llaman juego social. Este tipo de interacción…

Elegant Black Terns breed in summer on secluded wetlands across the northern states and Canada. Because of major losses of wetlands in their breeding range — especially in Canada's prairie provinces — Black Tern numbers have dropped dramatically since the 1960s. The future of this…