a presentation of Science Museum of Minnesota, Science North and Discovery Place in cooperation with the Jane Goodall Institute with funding from Bank of America and National Science Foundation ; producer, David Lickley ; writer, Stephen Low ; director, David Lickley
a Marathon/France 2 coproduction with the participation of Le Centre National de la Cinematographie, Discovery Communications, Inc. and TSR ; a film written and directed by Jean Yves Collet ; produced by Olivier Bremond, Pascal Breton
Omni Film Productions ; produced with the participation of Telefilm Canada in association with British Columbia Films ... [and others] ; produced by Christian Bruyére, Ian Herring
produced by Actuality Productions, Inc.for History Television Network Productions; created and produced by Bruce Nash ; executive producer, Don Cambou ; written by Greg Goldman
[presented by] Bullfrog Films ; produced, directed, and written by Ray Burley for CBC's "The Nature of Things" ; produced by Canadian Broadcasting Corporation
a film by Maria Finitzo ; executive producer, Gordon Quinn ; produced in association with The British Broadcasting Corporation, The Canadian Broadcasting Corporation, SBS-TV Australia ; produced by Kartemquin Educational Films, Inc