1 Temporada
6 Episodio
Massive Nature - Season 1 Episode 4 Episodio 4 (2004)
Every year 300 million salmon return to the Alaskan river where they were born, but they are swimming into a trap. The upstream waterfalls are preyed upon by grizzly bears and bald eagles. How do the salmon survive the onslaught?
- País :
- Género : Documentary
- Estudio : BBC One
- Director :
- Emitir : Sean Pertwee
