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 |
| Copyright Holder: | Oxford Scientific Films Ltd. |
| Address: | 47 Marylebone Lane |
| London | |
| W1U 2NT | |
| Telephone: | +44 (0) 20 7317 1330 |
| Website: | http://www.oxfordscientificfilms.com |
Film credits
| Narrator: | David Attenborough |
| Presenter: | Michael deGruy |
| Photography: | Michael deGruy |
| Producer: | Michael deGruy |
| Music: | William Lovelady |
| Sound Recordist: | Mimi Armstrong |
| Production: | David Allen |
| Production Assistant: | Yvonne Bainton |
| Editor: | Mark Fletcher |
| Editor: | David Pearce |
| Dubbing Editor: | Kate Hopkins |
| Computer Animation: | Vassili Hurmusiadis |
| Computer Animation: | Jacqueline Wrather |
| Computer Animation: | Gary Leonardi |
| Computer Animation: | Andrew Bell |
| Additional Photography: | Peck Euwer |
| Additional Photography: | Marty Snyderman |
| Additional Photography: | Howard Hall |
| Writer: | Robin Brown |
| Director: | Robin Brown |
| Series Unit Manager: | Christina Hamilton |
| Executive Producer: | Monica Spear |
| Production Organisation: | Oxford Scientific Films Ltd. |
| Associated Broadcaster: | BBC - Natural History Unit |
| Associated Broadcaster: | WNET 13, New York |


