Nature

The Egg: Life’s Perfect Invention

How is an egg made? Why are they the shape they are? And perhaps most importantly, why lay an egg at all? Step by step as the egg hatches, host David Attenborough reveals the wonder behind these incredible miracles of nature.

The Egg: Life’s Perfect Invention Preview

35s

The egg is perhaps nature’s most perfect life support system. Step by step as the egg hatches, host David Attenborough reveals the wonder behind these incredible miracles of nature.

  • How an Egg Hatches: asset-mezzanine-16x9

    How an Egg Hatches

    S37 E12 - 1m 45s

    How is it possible that an egg can be strong enough to provide protection, yet soft enough that a baby bird can break through? See the remarkable way hatchlings are able to break out of their eggs.

  • The clever way the tiniest bird warms her nest: asset-mezzanine-16x9

    The clever way the tiniest bird warms her nest

    S37 E12 - 1m 40s

    This little goldcrest may not be big enough to cover all her eggs, but thanks to a unique technique she can still keep them warm. The secret to her success can only be revealed through thermal cameras and has been caught on film for the very first time.

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