Copyright holder
| Copyright Holder: | Royal Society for the Protection of Birds (RSPB) |
| Address: | RSPB Film Collection |
| c/o RSPB Film Unit | |
| The Lodge | |
| Sandy | |
| Bedfordshire | |
| SG19 2DL | |
| Telephone: | +44(0)1767 680551 |
Film credits
| Additional Photography: | Eric Hosking |
| Photography: | George R. Edwards |
| Editor: | George R. Edwards |
| Producer: | George R. Edwards |
| Photography: | Clifford W. Holt |
| Production Company: | Royal Society for the Protection of Birds (RSPB) |


