An interesting fact about the Swifts that you will be amazed! Bashny.Net

Saw the springtime Swifts seems to be endless and without any tired circling outside the window? It turns out, flying is their whole life! The website shares with the reader an interesting fact.

WikimediaСтриж few years may hold in a constant state of flight. Adults and fledgling young Swifts sleep in the air, leaving for the night high in the sky to a height of 2 to 3 thousand meters, where flying in circles. While sleeping Swifts glide in the air, waking up every 4-5 seconds to several times to spread her wings.

If during the night they sway with the wind, in the morning the Swifts quickly returned.

via factroom.ru