The World About Us
Signals for Survival (2x47)
Data di messa in onda: Dic 08, 1968
The familiar cries of the gulls along our coastline are only a small part of the language of these birds. During the breeding season especially, they use a number of other sounds as well as postures to communicate with each other. The meaning and use of all these are examined in this remarkable study of life in a colony of Lesser Black-backed Gulls.
- Iniziato: Dic 1967
- Episodi: 421
- Followers: 0
- Terminata
- BBC Two
- Sconosciuto