Back to Secrets of Nature: The Sparrow-HawkCopyright holder
| Copyright Holder: | British Film Institute (BFI) |
| Email: | Jan.Faull@bfi.org.uk |
| Website: | http://www.bfi.org.uk |
Film credits
| Producer: | Charles Knight |
| Photographer: | Charles Knight |
| Editor: | W. P. Pycraft |
| Production Company: | British Instructional Films Limited |
| Production Company: | New Era Films Ltd. |
