Free Documentary Online | The Insatiable Appetite

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Genre(s): Life of Birds, Nature
The Insatiable Appetite

A beak made from horn, without any teeth, might seem a clumsy implement for gathering food. Yet David Attenborough discovers that birds have evolved an amazing range of bill shapes and sizes designed to hammer out grubs from trees, winkle out tiny seeds from fruits, and sip nectar from the deep recesses of flowers.

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