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Madagascar, off the eastern coast of Africa, is the largest continental island in the world.

As Sir David reveals, it's also where the largest egg known to have existed was laid, and the bird that laid it was also a giant.

Series of talks by Sir David Attenborough on the natural histories of creatures and plants from around the world.

Producer: Julian Hector

First broadcast on 成人论坛 Radio 4 in June 2009.