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
| Photography: | Gerald Thompson |
| Producer: | Christopher Parsons |
| Series Editor: | Christopher Parsons |
| Narrator: | Derek Jones |
| Film Editor: | Betty Block |
| Cameraman: | George Shears |
| Producer's Assistant: | Pamela Jackson |
| Writer: | Alan Gibson |
| Assistant Producer: | Keith Hopkins |
| Cameraman: | Bernard Hedges |
| Assistant Cameraman: | Philip Moss |
| Sound Recordist: | Cliff Voice |
| Sound Mixer: | Derek McColm |
| Series Editor: | Anthony Isaacs |
| Photography: | Oxford University Press |






