Scientists in Nevada monitor migrating hawks and other raptors to understand population trends and protect birds of prey.

Thousands of snow geese touch down at a Pennsylvania reservoir each spring, turning sunrise into a loud, swirling liftoff ...

Quick Take Ruby-throated hummingbirds may average around 20 miles per day during migration, though actual daily distances can ...

A few dozen birdwatchers gathered in the predawn darkness to wait for the moment when thousands of migrating snow geese ...

A fossil skull from Spain reveals Gorgonavis alcyone, a 125-million-year-old bird that expands the known range of early ...