A new study found significant declines in bird body sizes after analyzing decades of data collected by Chicago’s Field Museum.

A new study once again underscores that we need to limit global warming to 1.5 degrees Celsius to save many of our most beloved bird species.

So, you've gone out and counted birds following the Climate Watch protocol. Here's how to share it with Audubon climate scientists.

The delay and reduced numbers of shearwaters arriving in southern Australia are likely tied to this year's mass die-offs in the Bering Sea.

The hurricane's storm surge created optimal nesting habitat for Snowy Plovers and other beach birds, newly released data show.

The fierce bird, nicknamed "Ram," is recovering just fine. But the species is at future risk as climate change exacerbates western wildfires.

New Audubon report shows about half of Arizona’s birds are vulnerable.

Read Audubon's new climate report, which finds that two-thirds of North American birds are at increasing risk of extinction from global temperature rise. Find out how species in your state will be affected, and which birds we can help by acting now.

The deaths, including many Short-tailed Shearwaters, coincided with a new marine heat wave in the region. But the exact cause still eludes scientists.

We can't merely cut emissions to preserve a livable planet. We'll have to invent technologies to take back the carbon we've already released.