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 ...

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 ...

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 ...

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 ...