Copyright holder
| Copyright Holder: | BBC - Natural History Unit |
| Address: | c/o BBC Motion Gallery |
| Room E251 | |
| Woodlands | |
| 80 Wood Lane | |
| London | |
| W12 0TT | |
| Telephone: | +44 (0) 20 8433 2861 / 2 |
| Email: | motiongallery.uk@bbc.co.uk |
| Website: | http://www.bbcmotiongallery.com |
Film credits
| Series Producer: | Mike Beynon |
| Interviewee: | John Downer |
| Writer: | John Downer |
| Producer: | John Downer |
| Presenter: | David Attenborough |
| Film Editor: | Charles Aldridge |
| Production Secretary: | Ruth Flowers |
| Photography: | Alan Hayward |
| Sound: | Peter Hicks |
| Photography: | Owen Newmann |
| Photography: | Mike Richards |
| Field Assistant: | Nigel Marven |
| Sound: | John Haley |
| Producer: | Martyn Suker |




