Dapperly dressed in black, white, and glacial gray, the Northern Shrike might pass as any other songbird. But don’t be fooled ...

Crows are thought to be among our most intelligent birds, and the success of the American Crow in adapting to civilization would seem to confirm this. Despite past attempts to exterminate them, ...

A common seabird off the Atlantic Coast, seldom coming close to shore except during storms. The Great Shearwater often forages in flocks. Commonly feeds around fishing boats, fighting over scraps and ...

In calm weather the Sooty Shearwater flies low over the ocean with quick, stiff beats of its narrow wings; in windy conditions, it glides and scales effortlessly over the waves. Sociable at sea, it is ...

Often shown in documentaries about the Galapagos, where pairs bow and shuffle and show off their blue feet, the Blue-footed Booby also nests as far north as western Mexico. In some years, small ...

Often the most common and widespread gull in North America, especially inland, and numbers are probably still increasing. Sociable at all seasons; concentrations at nesting colonies or at winter ...

The Broad-winged Hawk is a small hawk, common in eastern woodlands in summer. Staying around the edges of forest, the Broad-wing Hawk is often not very noticeable during the breeding season, but form ...

This regal bird is the largest of our soaring Buteo hawks, a fitting raptor for the wide skies and windswept plains of the west. It soars with its broad wings held in a shallow V, and swoops down to ...

Seen soaring at a distance over rugged country in the southwest, the Zone-tailed Hawk looks remarkably like a Turkey Vulture. It may be overlooked even by birders who are searching for it. This close ...

Cowboys sometimes called these owls 'howdy birds,' because they seemed to nod in greeting from the entrances to their burrows in prairie-dog towns. Colorful fiction once held that owls, prairie-dogs, ...

In southeastern swamps in summer, this bright golden warbler sings from high in the trees. The Prothonotary Warbler is unique among eastern warblers in its habit of nesting in holes in trees, rather ...

A strikingly patterned warbler of leafy second growth and swamp edges. Once common in the northeast, the Golden-winged Warbler has been declining recently in southern parts of its breeding range. As ...