Copyright holder
| Copyright Holder: | ITN Source |
| Address: | 200 Gray's Inn Road |
| London | |
| WC1X 8XZ | |
| United Kingdom | |
| Telephone: | +44 (0)20 7430 4816 |
| Email: | uksales@itnsource.com |
| Website: | http://www.itnsource.com |
Film credits
| Narrator: | David Attenborough |
| Producer: | Hugo van Lawick |
| Director: | Hugo van Lawick |
| Photography: | Hugo van Lawick |
| Editor: | Christopher Parsons |
| Music: | John Scott |
| Producer: | William Lindon-Travers |
| Writer: | William Lindon-Travers |
| Editor: | Anthony Isaacs |
| Producer: | James H. Hill |
| Executive Producer: | Marshall Flaum |
| Writer: | Marshall Flaum |
| Film Editor: | Ann Chegwidden |
| Research: | James Malcolm |
| Research: | Andrew Duits |
| Associate Editor: | Tom Ruys |
| Assistant Editor: | Andrew Nelson |
| Location Manager: | George Dove |
| Music Recordist: | Walter Coussement |
| Production Executive: | Charles Fries |
| Production Company: | Swan Productions Ltd |
| Associate Producer: | Metromedia Producers Corporation, USA. |
| Associated Broadcaster: | BBC - Natural History Unit |



