Partridge Productions ; written by Phil Agland ; produced by Phil Agland, Michael Rosenberg ; directed by David Heeley ; a presentation of WNET/Thirteen in association with the Nature Conservancy
[an] Argo Films Limited Production for Thirteen/WNET New York and National Geographic Television in association with Trebitsch Production International GmbH
Genesis Film Productions in association with Thirteen/WNET and Channel 4 (UK) ; executive producer, Michael Rosenberg ; producers, Clive Bromhall, Dan Freeman ; produced for PBS by WNET/Thirteen
Genesis Film Productions in association with Thirteen/WNET and Channel 4 (UK) ; executive producer, Michael Rosenberg ; producers, Clive Bromhall, Dan Freeman ; produced for PBS Video by Thirteen/WNET