Males also sport a small red patch on their heads. The female lacks the red patch on the back of its head. An immature hairy ...

The Iceland gull is easier to identify than most other gulls ... to pop into your mind when you think of the bird species. Other than the flowing feathers on its head and chest, the animal has ...

The Dark-eyed Junco is easily recognized by its slate-gray plumage, white belly, and distinctive white outer tail feathers that flash during flight. Snow Buntings are sparrow-sized birds with ...

While it's hard to identify the birds by sight, listening to their idiosyncratic ... corvids serves a cooling purpose. The outer feathers absorb heat and are insulated from the birds' skin.