Scientists have known for a while that many birds, including the buoyant frigate bird, can fly non-stop for weeks without having to rest on the ground. In fact, songbirds, swifts, seabirds and ...

If you’re energetic and confident, enjoy cooking and believe in love at first sight, new research shows you're probably an early bird. A look into our sleeping habits revealed some interesting ...

A young bird named B6 amazed the world by flying 13,560 kilometres from Alaska to Tasmania without stopping, setting a record ...

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 ...

The benefits of sleep are shared across the animal kingdom. Sleep saves energy by slowing down the metabolism and allows animals to avoid high-energy activities. For vertebrates, sleep is an essential ...

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 ...

We already know that some birds can fly for weeks or even months at a time without landing, but this remarkable ability has raised a few questions about how, if at all, these creatures find the time ...

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 ...

Scientists brought to life the silent, sleeping songs of two great kiskadees. Andrej Chudý via Flickr under CC BY-NC-SA 2.0 DEED While birds are fast asleep, their brains remain active, firing off ...

The weariest warblers are more likely to sleep with their heads tucked in — saving energy, but making them more vulnerable to predators. By Emily Anthes Every spring, throngs of garden warblers make a ...