Proposition 137 creates new opportunities to strengthen Colorado's watersheds, conserve bird habitat, and sustain outdoor ...

Shadowing a single satellite-tagged bird from Alaska to Patagonia, the duo aims to raise awareness about the imperiled species while mapping crucial stopover sites along the way.

Related to the Painted Redstart but not quite as showy, the Slate-throated Redstart is very widespread in the American ...

This chunky shorebird has a rather anonymous look in its winter plumage, but is striking in spring, when it wears rusty-red on its chest. It nests in the far north, mostly well above the Arctic Circle ...

A secretive little bird of dense woods. The Winter Wren often creeps about among fallen logs and dense tangles, behaving more like a mouse than a bird, remaining out of sight but giving an occasional ...

The metallic wing-trill of the male Broad-tailed Hummingbird is a characteristic sound of summer in the mountain west. This sound is often heard as a flying bird zings past unseen. The birds are seen ...

At first glance, the two species of yellowlegs look identical except for size, as if they were put on earth only to confuse birdwatchers. With better acquaintance, they turn out to have different ...

One of the largest birds in North America, with a 9-foot wingspan. The American White Pelican is similar to Brown Pelican in shape but much larger, and very different in habits: Occurs far inland, ...

The Sharp-tailed Grouse is typical of regions that have open grassland mixed with groves of trees or shrubs. Closely related to the Greater Prairie-Chicken and Lesser Prairie-Chicken, it is found ...

A rather mysterious owl of dense northern woodlands. Except when calling at night in very early spring, it is easily overlooked. Until the 1970s the Boreal Owl was not known to breed anywhere south of ...

During the peak of migration, the Swainson's Thrush is often very common in woodlots and parks, lurking in the thickets, slipping into fruiting trees to pluck berries. Although they tend to stay out ...