The House Wren is a familiar and lively neighborhood bird with a rich bubbling song, subtly patterned brown plumage, and a ...

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 ...

It’s no secret that birds are struggling. North America has lost billions of them since the 1970s and today more than one-third of bird species are considered under threat. While efforts to stem the ...

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 ...

Update: The Alabama yellow cardinal has shacked up with a red female cardinal in the yard where it was originally spotted. After raising at least one chick, the couple now seems to be nesting again.

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 ...

A widespread seabird of the tropics and subtropics. Sometimes common over the warm waters of the Gulf Stream, but seldom seen from land in North America except after hurricanes. A handful of pairs ...

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?