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 ...

Researchers have tracked muscle contractions in a bird's vocal tract, and reconstructed the song it was silently singing in its sleep. The resulting audio is a very specific call, allowing the team to ...

Humans do very little when we sleep. This might not seem like a big deal, until you look to the dolphins as they sleep and swim with the pod. Or fur seals, who can sleep while watching out for sharks.

Moving‍‌‍‍‌‍‌‍‍‌ long distances through migration is a hard task that often pushes the animals' physiological limits. However, the case of birds that can sleep while flying is probably the most ...

WASHINGTON, April 11, 2024 — For more than 20 years, researchers have known that areas of birds’ brains dedicated to singing show neural patterns during sleep akin to the ones they use while awake and ...

Scientists tell us that the family dog shuffling its legs while asleep on the floor really is dreaming. And when a bird silently nods off on its perch, it may also dream as its singing muscles twitch.

Every animal with a brain needs sleep — and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even jellyfish sleep. Sleep is universal “even though it’s actually very ...

When birds sleep, what are they dreaming about? Researchers from the University of Buenos Aires have figured out a way to tap into bird dreams. When a bird slumbers, its voice box, called the syrinx, ...

When birds sit quietly on a branch for long periods during winter, they aren’t usually sleeping, but rather conserving energy. When food is scarce, active foraging can waste valuable energy, so ...