• 4 Videos, Slides, Films

• 1 Animal behavior
• 1 Climatic extremes
• 1 Economic conditions
• 1 Elephants
• 1 Gorilla
• 1 Natural history
• 1 Social conditions
• 1 Social hierarchy in animals
• 1 Survival

• 2 British Broadcasting Corporation
• 2 WNET (Television station : New York, N.Y.)
• 1 2 Entertain (Firm)
• 1 Abraham, F. Murray
• 1 Allen, David
• 1 Attenborough, David, 1926-
• 1 Bell, Linda
• 1 Birkhead, Mike
• 1 Booth, Graham
• 1 Colbeck, Martyn
• 1 Discovery Channel (Firm)
• 1 Educational Broadcasting Corporation
• 1 Jackson, Andrew
• 1 Keane, Fergal
• 1 Lilley, Harvey
• 1 Lynch, John, 1961-
• 1 Morgan, Chris, 1968-
• 1 Morton, Joe, 1947-
• 1 Moss, Cynthia
• 1 National Geographic Television
• 1 PBS Distribution (Firm)
• 1 Pertwee, Sean
• 1 Questar, Inc
• 1 Thompson, Matthew
• 1 Tigress Productions

• 1 Congo River
• 1 Congo River Valley
• 1 Europe
• 1 Mediterranean Region
• 1 Virunga

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