We heard a thin, high-pitched sound repeated several times while walking up a snow-covered hill in a spruce forest. Could it be a golden-crowned kinglet surviving in these sub-freezing temperatures?

Each Canada goose that you see flying around in formation around Lancaster County these days has between 20,000 and 25,000 feathers, most hidden from sight. A typical songbird at your backyard feeder ...

Bird tails are complex structures that give us clues about bird flight and bird behavior. Knowing the variety of tail patterns helps us to identify birds, so let's talk bird tails. A bird's tail ...

Feathers are a sleek, intricate evolutionary innovation that makes flight possible for birds, but in addition to their stiff, aerodynamic feathers used for flight, birds also keep a layer of soft, ...

At first glance, feathers may seem like simple parts of a bird’s body. But if you look closer—under a microscope or through a scientific lens—they reveal an intricate story of evolution, biology, and ...

We all enjoy seeing birds in our gardens. But how much do you know about a bird anatomy? If you asked the average person to describe a bird, the answer probably would be a quick overview of its ...

Green herons don't do Facebook, and they certainly don't use Twitter. They don't play bridge or read novels. Not that they don't have time to fill. We've often had green herons visit the swampy pond ...

Cardinals, chickadees and even mockingbirds that we commonly see throughout the year may be scarce until late October - but not because of Hurricane Harvey. They'll just be lying low while they change ...

A new study examines feathers across 249 species of Himalayan songbirds, finding that birds at higher elevations have more of fluffy down than lower elevation birds. Finding such a clear pattern ...