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AIRBORNE
Steve Leonard discovers how living things first grew wings and how all flying animals are descended from 4 ancestors that acheived the miracle of flight.
Last on
Thu 26 May 200501:50
Clips
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Flight path
Duration: 03:17
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Stunt flying
Duration: 02:20
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Winged danger
Duration: 01:34
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Airborne menace
Duration: 00:52
