Supernature - Wild Flyers: n the opening program we explore the basic principles of flight to discover how animals get airborne in the first place. If you thought only birds defied gravity, you're in for a surprise. From the world's greatest leapers, to its most innovative gliders and ultimately animals that effortlessly stay airborne for hours without flapping a wing - each of the incredible creatures we'll meet has its own special techniques. But to take to the air they must all overcome one of the planet's most powerful and universal forces – gravity.

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Documentary