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The Demands of the Egg
Episode 8 of 10
David Attenborough presents a natural history of birds. Here he focuses on their varied nest-building techniques and their struggles to protect their eggs.
David Attenborough presents a natural history of birds. In this programme, he examines the variety of ways in which birds construct their nests and protect their eggs from predators. Including breathtaking scenes of aerial piracy and a remarkable 3-D animated view of the processes involved in laying an egg.
Last on
Tue 18 Nov 2014
14:40
成人论坛 Two Wales
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Egg laying
Duration: 02:44
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Alien eggs
Duration: 02:41
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Egg dumping
Duration: 04:00
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Egg warmer
Duration: 01:25
Credits
| Role | Contributor |
|---|---|
| Presenter | David Attenborough |
| Producer | Miles Barton |
The challenges of life for birds, at 成人论坛 Nature
As birds are warm-blooded, their eggs have to be incubated, or the embryos will perish.