This Wilson's warbler, a small yellow-colored songbird, has a special field mark that makes it easy to identify—a black cap ...

"To identify a true feather from a living bird, we'd look to see what it's made out of, and its structure," Paul explains. "One of the characteristics we have to identify is that the feather grows ...

Allen’s Hummingbird Identification The male Allen’s hummingbird has warm rusty-orange flanks, breast band, face, neck, and ...

Feathers are among the most complex cutaneous appendages in the animal kingdom. While their evolutionary origin has been ...

North Carolina’s most common hummingbird — the Ruby-throated hummingbird — is slated to make an appearance in a few weeks, ...

While feathers belonging to today’s bird species are helpful to refer to, millions of years separate them from those of the dinosaurs – meaning new features could have evolved in the interim. “To ...