A century of logging and fire control has taken its toll on the mature pine forests of the West, the preferred nest site for this Lewis's Woodpecker. But there is hope. Lewis's Woodpeckers also nest along rivers in large cottonwoods, trees of little value for timber. Also, many remaining…

Every bird species uses its wings a little differently, and some are specialized for highly efficient flight. But that means going without other abilities. Swallows and hummingbirds (like this Talamanca Hummingbird) capture their food on the wing, but they can’t walk. Swifts, which are…

Palmyra Atoll is a ring-shaped island encircling a lagoon in the South Pacific. The atoll lost many native trees due to U.S. military activity during World War II. Conservationists have worked to restore the ecosystem. Seabirds such as Black Noddies and Red-footed Boobies nest in the…

A few times each year, the Eastern Paradise-Whydah puts on his party clothes. This small finch is found in East Africa, and males and females generally share the same nondescript appearance. But when it’s time to mate, the male sprouts extravagant, long, black tail feathers two or three…

Crane Hawks of Central and South America and African Harrier-Hawks both have legs that bend forward and backward. Each bird’s wonderfully peculiar leg adaptation is completely original — it evolved all on its own — even though the end result is the same. It's a fascinating example of a…

The way that some birds flick, wag, or flare their tails can be distinctive. A flicking or flashing tail might suggest to a predator that a bird is particularly alert or hard to catch, while also warning others in the flock of danger. Tail flicking can also help flush out prey. A Hooded…

Bird feeders full of seeds or suet can spark nonstop action. Chickadees flitter in and out. Finches expertly crack one seed after another, while jays, doves, woodpeckers and sparrows all join the flurry. This might bring to mind a neighborly picnic — but it’s not quite as friendly. At any…

Of the four nuthatch species living in the United States, the most common are the Red-breasted Nuthatch and the White-breasted Nuthatch. The nuthatch's insistent call matches its aggressiveness. As they work their way down a tree trunk, nuthatches can spot — and eat — all the tasty morsels…

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…