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

Singing frogs are looking for love. Sweet sap is flowing from the maple trees. Striking migratory birds are returning to ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

The Audubon Bird Guide is a free and complete field guide to over 800 species of North American birds ... Enter all you were able to observe—what color was it? How big? What did its tail look ...

The blue-headed quail dove is a uniquely ancient species with no close relatives and is now on the brink of extinction. At ...

Throughout the night, great potoos emit a loud, moaning growl that has earned the bird a mythical status, with some communities believing the sounds to be children calling for lost parents.

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