What a comfort it would be if every bird song were as easy to recognize - and remember - as that of this Olive-sided Flycatcher. Some people think it sounds like "quick-THREE-beers" or "what PEEVES you." Do you drink coffee? Then you can help Olive-sided Flycatchers, when you choose to…

High on the north face of Mauna Kea, a volcanic mountain on Hawaii's Big Island, work is under way to save one of the island's most endangered birds, the Palila. Most Palila live on the west face of Mauna Kea. Palila bred in captivity were released on the north face, to join Palila moved…

The variety of bill sizes and shapes among the sandpipers is astounding! Many sandpipers have sensitive nerve receptors in their bill tips, so they can find unseen prey through touch, odor, and pressure changes. Those sandpipers with long, straight bills - like this Long-billed Dowitcher -…

These Purple-throated Caribs live on many of the Antillean Islands in the Caribbean. The female’s bill is long and deeply curved. The male’s is shorter and straighter. And this one species of bird has a specialized relationship with two different species of flowering Heliconia plants. When…

Some birds have a remarkable knack for staying out of sight. Often we don’t know they’re nearby, until they sing. But with a little practice, we can learn to identify birds without seeing them. Listen to the songs of the Song Sparrow, the Chipping Sparrow, and the White-throated Sparrow —…

In 1956, the Eisenhower Administration announced plans for the nation’s new interstate highway system. Planners foresaw 41,000 miles of superior highways, with a grassy border on either side and down the middle. The grassy areas created ribbons of wildlife habitat occupied by small mammals…

The canopies of the world’s tropical rainforests are green year round. So are many of the birds within them, from parrots and hummingbirds to trogons and jacamars, such as this Rufous-tailed Jacamar. Being green in the tropics helps birds blend in to their surroundings, which is especially…

Exactly where are an owl's ears? Well, the eyes of this Great Gray Owl are set in a broad, dish-shaped face. Ridges of tiny hair-like feathers rim the owl's face, creating "facial disks." Just below the margins of the facial disks, concealed by feathers, are the openings to the owl's ears…

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…

Forest fires have profound effects on birds and other wildlife — for better or worse. Birds such as this Black-backed Woodpecker find a bonanza of insects under burned bark and ample snags in which to carve out nest holes. Woodpecker cavities are often reused by birds like bluebirds. And…