• 25 Videos, Slides, Films

• 5 DVDs

• 12 Animals
• 12 Natural history
• 12 Physical geography
• 11 Marine ecology
• 10 Oceanography
• 9 Marine biology
• 9 Ocean
• 8 Ecology
• 7 Marine biodiversity
• 4 Biotic communities
• 4 Desert ecology
• 4 Habitat (Ecology)
• 2 Coasts
• 2 Coral reefs and islands
• 2 Elephants
• 2 Forest ecology
• 2 Forests and forestry
• 2 Marine animals
• 2 Ocean waves
• 2 Polar bear
• 2 Research
• 1 Adaptation (Biology)
• 1 Amphibians
• 1 Animal diversity
• 1 Animal migration

• 25 British Broadcasting Corporation
• 21 Attenborough, David, 1926-
• 19 BBC Worldwide Americas, Inc.
• 14 Nihon Hōsō Kyōkai
• 5 Byatt, Andrew
• 4 Brownlow, Mark
• 4 Cordey, Huw
• 4 Linfield, Mark
• 3 Berlowitz, Vanessa
• 3 Fenton, George
• 3 Holmes, Martha, 1961-
• 2 Canadian Broadcasting Corporation
• 2 Discovery Communications, Inc
• 2 Keeling, Jonny
• 2 Warner Home Video (Firm)
• 2 Weaver, Sigourney, 1949-
• 1 Allan, Douglas
• 1 Allen, Penny
• 1 Allen, Penny, Dr
• 1 Attenborough, Richard
• 1 BBC Video (Firm)
• 1 BBC Worldwide Americas, Inc
• 1 Bass, Karen

• 25 English
• 1 French
• 1 Portuguese
• 1 Spanish

• 13 Earth (Planet)
• 3 Tropics
• 2 Cold regions
• 2 Eastern Hemisphere
• 2 Northern Hemisphere
• 2 Polar regions
• 2 Southern Hemisphere
• 2 Western Hemisphere
• 1 Africa
• 1 Alaska
• 1 Arctic regions
• 1 Botswana
• 1 British Columbia
• 1 Earth
• 1 Everest, Mount (China and Nepal)
• 1 Great Plains
• 1 Himalaya Mountains
• 1 Kalahari Desert
• 1 Okavango River Delta
• 1 Serengeti Plain
• 1 South Africa
• 1 Tanzania

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