Georgia State University College of Arts and Sciences presents in cooperation with the San Diego Zoological Society ; a film by Duane M. Rumbaugh, Austin H. Riesen, Robert E. Lee
a co-production of Thirteen/WNET New York and BBC ; Educational Broadcasting Corporation ; written and edited by Mark Fletcher ; series producer, Bill Murphy ; executive producer, Fred Kaufman
director, Gillian Darling Kovanic ; narration written by Amanda McConnell and Bruce Martin ; produced by Tamarin Productions Inc. in association with the Discovery Channel, USA ... [and others]