Nature - Big Birds Can't Fly.

The ostrich, the emu, and the rhea-together with the kiwi and the cassowary-are the court jesters of the avian world, because they can't do the one thing that birds are famous for doing. They can't fly. But exactly how, and why did these birds abandon flight? It's been one of the natu...

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Bibliographic Details
Corporate Authors: PBS (Firm),$4dst, Kanopy (Firm),$4dst
Format: Video
Language:English
Language Notes:In English
Published: [San Francisco, California, USA] : PBS, 2015.
Kanopy Streaming, 2016.
Subjects:
Online Access:Connect to this streaming video
Description
Summary:The ostrich, the emu, and the rhea-together with the kiwi and the cassowary-are the court jesters of the avian world, because they can't do the one thing that birds are famous for doing. They can't fly. But exactly how, and why did these birds abandon flight? It's been one of the natural world's great mysteries. And now DNA is promising to give us the answer..
Item Description:Title from title frames.
Film
Electronic resource.
Physical Description:1 online resource (streaming video file) (54 minutes): digital, .flv file, sound
Playing Time:00:53:04
Format:Mode of access: World Wide Web.