1 Temporada
13 Episodio
Life on Earth - Season 1 Episode 8 Episodio 8
We examine the uses and advantages of birds' unique possession - the feather. Feathers are insulators; they provide the surface of the most perfect aerofoils known - bird's wings; and they play a central role in courtship
- País : United Kingdom
- Género : Documentary
- Director :
- Emitir : David Attenborough
