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 ...

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 ...

Birds resting on a beach or a wire often look calm, almost detached from what is happening around them. But that stillness can be misleading. For many species, sleep is not a full shutdown. One eye ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. If you've ever seen a bird sleep, you might have noticed that they do it standing on one leg. They also fluff their feathers up, ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Birds seem to disappear after sunset, leaving many people wondering where they actually sleep. This video explores the surprising ...

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. Maddy has a degree in biochemistry from the University of York and ...