A research project to keep tabs on Sharp-tailed Grouse shows the potential benefits of a promising but elusive technology.

The two species of Gallinule which occur in the United States are confined within a comparatively small range in that extensive country, the southern portions of which appear to suit them better, at ...

One U.S. hummingbird species truly hunkers down for the winter, and that’s the Anna’s Hummingbird. In the early 1900s, they ...

The common open-country woodpecker of eastern Mexico and northern Central America. It crosses the border mainly in southern Texas, where it is very common, noisy, and conspicuous. Similar in ...

At marshy ponds from Mexico to Panama, this odd shorebird is common. Its long toes allow it to run about on lily pads and ...