As North America moves into spring, hummingbirds are migrating north. Hummingbird Central uses crowdsourced sightings to show ...

Birds overwintering in Pennsylvania had significantly lower survival rates than those in Florida, with males particularly ...

The massive annual spring migration of America's birds – millions of them – is underway. Here's how to follow along at home.

Famous for their bright metallic feathers, fast-fluttering wings and long beaks, a unique species of bird will soon arrive in ...

Scientists must journey to remote islands in the middle of the Bering Sea, braving uncertain conditions, to reach the ...

These birds, North America's largest swallow species ... North America’s largest species of swallow, purple martins winter in the rainforests of Brazil before making up to a 7,000-mile migration ...

The massive annual spring migration of America's birds – millions of them – is underway. Here's how to follow along at home.

From outwitting predators to raising a family, speed can boost a bird’s chances of survival. Learn about the fastest bird ...

This species’ often confiding nature, distinctive plumage, pleasing song, and acceptance of human-dominated habitats make it one of the most beloved of North American birds. Polytypic.

In North America, birds typically fly south for the winter before food is less available during the colder months, then back north in the spring to take advantage of growing insect populations ...

In North America, birds typically fly south for the winter before food is less available during the colder months, then back north in the spring to take advantage of growing insect populations ...