Season 11 Episodes
1. Episode 1
June 11th, 1973
2. Pajaten
June 24th, 1973
3. Lapwing
July 1st, 1973
4. Bird's Eye View of London
July 15th, 1973
5. Do Not Disturb
July 22nd, 1973
6. A Wealth of Wildfowl
July 29th, 1973
7. Aldabra Reprieved
August 5th, 1973
8. The Empty Desert
September 12th, 1973
9. Episode 9
September 19th, 1973
10. The Floating Worlds of Naivasha
September 26th, 1973
11. Trail of the Snow Geese
October 3rd, 1973
12. Arctic Summer
October 10th, 1973
13. Land of the Loon
October 17th, 1973
14. Central Flyway
October 24th, 1973
