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

A popular bird-watching spot is open again, after officials there determined the threat of avian flu spreading in that spot ...

Monarch butterflies are making their annual journey north out of Mexico to their summer breeding grounds. See where they've ...

Among the migratory birds navigating their annual trek out of the south are several species of hummingbirds, some of which ...

a website created by "backyard birding enthusiasts," has shared an interactive map of hummingbird sightings nationwide. The site says they usually track the birds migration from late-January to ...

And this year’s migration brings somewhat good news: the population has doubled since last year. The latest count from the World Wildlife Fund offers a glimmer of hope for the eastern monarch ...