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

Mapping fish migration routes and identifying threats is crucial to protecting freshwater species and their habitats, ecologists argue.

Unlike the mergansers, these Ring-necked Ducks are more frequently seen in the Caribbean. Yet they are still not common in ...

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