In the early 20th century, ornithologist Robert Ridgway published a massive dictionary to categorize birds’ hues, from ...

Perhaps in the next week a fresh snow will provide conditions for a bright red cardinal to land on a frosted branch and provide that perfect holiday-card view.

Beak sizes increase, and body sizes decrease - but why? How we are slowly unravelling the mystery behind changing body shapes ...

Dunkin' may be best known for its donuts and coffee, but in the 1970s, the company tried -- and failed -- to shake things up ...

In Colorado and New Mexico, scientists put in long days scouring the high country for signs of how well White-tailed ...

As you’ll see in the above video, the vampire ground finch is one blood-thirsty little bird. The Vampires of the Galápagos ...

Meet the woodpecker with a puzzling moniker and a big appetite for suet. Learn what a red-bellied woodpecker looks like and ...