Understanding natural selection

Big or thin, tough or sharp: what can bird beaks tell us about how evolution works?

Discover more about natural selection

Latest videos

The world's loudest bird

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Video: The world's loudest bird

Which came first: the chicken or the egg?

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Video: Which came first: the chicken or the egg?

Why do flightless birds have wings?

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Video: Why do flightless birds have wings?