1 Season
13 Episode
生命的进化 - Season 1 Episode 8 空中的霸主
我们研究了鸟类独特财产——羽毛的用途和优势。羽毛是绝缘体；它们提供了已知最完美翼型的表面——鸟的翅膀；他们在求爱中发挥核心作用
- Year: 1979
- Country: United Kingdom
- Genre: 纪录
- Studio: BBC Two
- Keyword: earth, natural history, biology, wildlife, ecology, animals, nature, evolution, natural selection, nature documentary, natural world
- Director:
- Cast: 大卫·爱登堡
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