Big Birds Can't FlyDVD - 2015
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.
Publisher: [Alexandria, Virginia] : PBS, 2015
Branch Call Number: 5.985 Bi
Description: 1 videodisc (approximately 60 min.) : sound, color ; 4 3/4 in
Audience: Rating: TV-PG-S
Alternative Title: Nature (Television program)