Millions of birds invisibly migrate through the night sky each autumn, most flying in near silence toward their wintering grounds. Now, scientists have developed a way to see and identify many of ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Most birds fly at low altitudes, relatively speaking. But ...

Long before humans walked the Earth, the skies of South America were ruled by a colossal bird. Argentavis magnificens, one of the largest flying birds ever discovered, had a wingspan so wide that it ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Most bird species don’t fly above a few thousand feet in ...

Migratory birds change how high they fly over deserts and seas. Wing shape, feather color, and heat all play a role in helping them survive.