As more and more "historical" checklists are added to the platform, birds we've lost now mingle with those still hanging on.

Q: The amount of effort that goes into a Christmas Bird Count varies quite a bit across years and count circles. How do you deal with this issue when you calculate abundance trends? How do you know ...

This bird is noteworthy on several counts. It lives nowhere in the world except Florida, it has a complicated social system, it has been the subject of very detailed field studies, and it is ...

We are the Audubon Flock, striving every day to achieve a future where birds thrive across the hemisphere and to make Audubon a diverse and ever-growing force for conservation. We work throughout the ...

The Audubon Bird Guide is a free and complete field guide to over 800 species of North American birds, right in your pocket. Built for all experience levels, it will help you identify the birds around ...

Whether you’re planting in your yard, on a windowsill, or in a public space, you can help create more bird-friendly habitats with native plants. Find the best plants for your area (and where to get ...

Research shows that we’ve lost 3 billion birds since 1970 and the vast majority of them were migratory. Climate change is one of the biggest threats to birds and people alike, with two-thirds of North ...