Why some birds are ready to sacrifice their lives for the dream?

Perhaps each of us at least once in my life had such a condition in which we would be willing to give everything I have, if only to be in a warm and cozy bed after a hard day. As reported in the journal Current Biology, not only human beings have this property. It was recently discovered that some migratory birds are prepared to pay even their lives just to take a NAP. Why do they do this? Well, let’s try to understand together.

Do birds sleep in flight?

When you travel by car during a long trip, you always have the possibility to rest in a roadside hotel or at least in your own car. Unfortunately, birds have no such possibility. But despite this sad fact, most birds have long adapted to sleep during a long flight. Thus, Swifts have learned to sleep during the flight! In addition, these amazing creatures for the first few years of their lives are constantly in the air. On the ground the Swifts return only when they will have the Chicks.

You may be wondering: Why do birds collide with aircraft?

Another evolutionary path went, or rather flew, storks. In order to overcome a long distance with minimum losses, these birds also adapted to sleep in the air, but with one small “but”. So, in order to properly sleep during the flight, the tired storks rebuilt in the middle of the wedge and partly falling asleep, focusing in my sleep to the cries of their fellows. When after 10-15 minutes (that’s how much time these birds have enough on holiday), the storks Wake up, the next batch is replaced by storks rested and fall asleep in the center of the wedge.

Storks can sleep during the flight

By the way, how much time do you spend sleeping a day? Share the curious history of relations between himself and his pillow in our Telegramchat or on the official channel in Yandex.Zen.

Why do birds have sacrificed their lives for the sake of sleep?

According to ornithologists, many migratory songbirds prefer to sleep on the ground with his head hidden under the feathers. Such a simple way a bird species capable of long time to save heat and energy, however, constantly exposed to the danger of being attacked by terrestrial predators. In addition, researchers have proven that such a dangerous sleeping position take those birds that for some reason they do not have fat or poultry, extremely emaciated your flight.

Migratory birds often risk their safety in order to save energy

Despite a much more relaxed position during sleep, apparent posture actually slows down the reaction of birds to the sound of potential danger. Birds, residing in a somewhat better shape, often sleep with the head facing forward, while remaining more vigilant in the face of possible threats.

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