Where Do Sleeping Birds Spend the Night? Wild birds are good at finding shelter, according to birding experts Kenn and Kimberly Kaufman. Those that raise their young inside holes in trees, such as ...

Some birds sleep in the air. Swifts, for example, hunt down bugs high in the sky 24 hours a day from the time they leave their nest until they return six months later. Some landbirds make transoceanic ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Frigatebirds can remain airborne for days at a time without ...

A few weeks ago when I was out cycling with some friends, we saw a few birds who looked like they were sleeping. Someone asked me what they were doing, and I said they were resting or sleeping but I'd ...

What new research on the avian brain and REM sleep in birds might reveal about our own dream lives. By Maria Popova I once dreamed a kiss that hadn’t yet happened. I dreamed the angle at which our ...