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
| Writer: | David Attenborough |
| Narrator: | David Attenborough |
| Post-Production Producer: | John Sparks |
| Executive Producer: | John Sparks |
| Additional Music: | Gus Christie |
| Director: | Martyn Colbeck |
| Camera: | Martyn Colbeck |
| Sound: | Martyn Colbeck |
| Film Editor: | Martin Elsbury |
| Assistant Editor: | Angela Groves |
| Unit Manager: | Christina Hamilton |
| Producer: | Marion Zunz |
| Production Assistant: | Ginny Lucas |
| Writer: | Cynthia Moss |
| Narrator: | Cynthia Moss |
| Scientific Advisor: | Cynthia Moss |
| Music Composer: | Henry Priestman |
| Dubbing Mixer: | Neil Hipkiss |
| Production Assistant: | Lesley Jones |
| Graphics: | 422 Videographic design |
| Production Organisation: | BBC - Natural History Unit |
| Associated Broadcaster: | WNET 13, New York |



