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 ...

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 ...

A European research team has uncovered how pied flycatchers, small migratory birds weighing just 12 grams, travel between ...

More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ostriches, and kiwi birds. In a new study in the journal Evolution, researchers ...

Birds can fly—at least, most of them can. Flightless birds like penguins and ostriches have evolved lifestyles that don't require flight. However, there's a lot that scientists don't know about how ...