TV Program: Life of Birds by David Attenborough: To Fly or Not to Fly?

Using state-of-the-art computer animation, Attenborough takes viewers back through time to show how birds evolved from the dinosaurs and took to the air. Today, flightless birds survive, but they have to be large enough, like the fleet-footed ostrich, to defend themselves or live on isolated islands devoid of mammal predators.

CC - Closed Caption
HD - High Definition
16:9 - Anamorphic Widescreen
LTR - Letterbox
DVI - Descriptive Video Information for the visually impaired

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