National Geographic Documentaries
National Geographic Documentaries
Flight of the Whooping Crane (18x4)
Sæsonafslutning
Udgivelsesdato: Apr 04, 1984
Tells how the United States and Canada cooperate to ensure a future for the endangered whooping crane. Follows the birds' perilous migratory path and shows the efforts made by governments and individual conservationists to increase the whooping crane population.
- Premieret: Sep 1965
- Afsnit: 862
- Følgere: 39