In the animal kingdom, flying is already a marvel. But imagine a bird that can not only hover in place but also fly backwards—and do it for hours without tiring. Sounds like something out of a ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Migratory birds are some of nature’s most efficient ...

Swifts practically live in the sky. These birds skip land for nearly a year, doing everything midair, from eating to sleeping. They travel thousands of miles without ever stopping to perch. Scientists ...