Birds descend from dinosaurs who developed feathers. Those allow most of them to fly, which few other vertebrates can. Some birds gave up flying, like penguins, who specialize in diving and prove feather's fabulous insulating efficiency. Feathers are also key to courting, almost as varied as bird physiognomy and ways of solitary or social life almost all over the globe.
Serial:
ŻycieSezon:
1Premiera (Świat):
9 listopada 2009Kraj produkcji:
Wielka BrytaniaUSAGatunek:
Dokument
Sezony
Sezon 1
- Challenges of Life (12 października 2009)
- Reptiles & Amphibians (19 października 2009)
- Mammals (26 października 2009)
- Fish (2 listopada 2009)
- Birds (9 listopada 2009)
- Insects (16 listopada 2009)
- Hunters and Hunted (23 listopada 2009)
- Creatures of the Deep (30 listopada 2009)
- Plants (7 grudnia 2009)
- Primates (14 grudnia 2009)
- The Making of Life (11 stycznia 2009)
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