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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Curling up for a good night's sleep when you are feeling under the weather may be just the antidote but some birds risk their lives by snuggling up to conserve energy. Songbirds tuck themselves in ...

In the darkening hours before dawn, when much of the world lies still, birds stir—twitching, shifting, flapping. Their sleep is not like ours. It is featherlight, held between awareness and slumber, ...

The tiny lungs of the zebra finch belt out a loud and complex song, with rhythmic trills and fluttering squeaks no human voice could match. Maybe that’s why, according to a brain study by Chicago ...