From their unusual anatomy to their nesting behavior, Chimney Swifts are among the strangest of our common avian species. The ...

Albatrosses, petrels, and other ocean-dwellers can stay hydrated without fresh water. The key? Little glands above their eyes ...

As humans have transformed the natural environment, abundant birds have suffered the most—while some rare species have ...

Extreme temperatures add stress to already-fragile ecosystems. Here’s how you can help birds stay cool.

A common sight across much of North America, the Killdeer is full of surprises. Though it’s considered a shorebird, the species is often found far from the beach. And despite its modest stature, ...

Ornithologist Clinton Francis was leading a class field trip along the California coast when students spotted what appeared to be an injured Killdeer. They watched as the striking shorebird ...

With drought and climate pressures intensifying across the West, Audubon and partners are sounding the alarm: Congress must fully fund the Bureau of Reclamation’s WaterSMART program before it's too ...

The Greater Honeyguide is the Jekyll and Hyde of birds. At least, that’s how Claire Spottiswoode tells it. The zoologist from the University of Cambridge has spent the past eight years studying the ...

Sooner or later, every birder visits the Sunshine State. The subtropical habitats of its southern peninsula provide homes for several species found nowhere else in the United States, from Snail Kite ...

Listen to the fluted chorus of a Wood Thrush, a beautiful song known to inspire artists and enliven eastern forests each summer. Now hear the gruff squawk of an American Crow. Which is the songbird?

With this vegetarian version of suet (traditionally it's made from rendered animal fat) you can provide the perfect winter substitute for birds that normally feast on insects. This lipid-rich treat ...

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