• 1 College Library
• 1 Wisconsin's Water Library

• 4 DVDs

• 19 Animals
• 19 Natural history
• 16 Ecology
• 12 Marine ecology
• 11 Physical geography
• 9 Marine biology
• 9 Ocean
• 9 Oceanography
• 7 Marine biodiversity
• 3 Biotic communities
• 3 Desert ecology
• 3 Habitat (Ecology)
• 3 Marine animals
• 2 Animal migration
• 2 Climatic changes
• 2 Coasts
• 2 Coral reefs and islands
• 2 Forest ecology
• 2 Forests and forestry
• 2 Ocean waves
• 1 Adaptation (Biology)
• 1 Amphibians
• 1 Animal diversity
• 1 Animal ecology
• 1 Aquatic ecology

• 30 Attenborough, David, 1926-
• 28 Discovery Channel (Firm)
• 26 BBC Worldwide Americas, Inc.
• 20 Fothergill, Alastair
• 11 Nihon Hōsō Kyōkai
• 8 BBC Earth (Firm)
• 5 Berlowitz, Vanessa
• 4 Brownlow, Mark
• 4 Byatt, Andrew
• 3 Cordey, Huw
• 3 Holmes, Martha, 1961-
• 3 Linfield, Mark
• 2 Barton, Miles
• 2 Bass, Karen
• 2 Jeffs, Kathryn
• 2 Rees, Dan
• 1 2 Entertain (Firm)
• 1 Allan, Douglas
• 1 Allen, Penny, Dr
• 1 BBC America
• 1 BBC Worldwide Americas, Inc
• 1 Bassett, Peter (Documentary television producer)
• 1 British Broadcasting Corporation. Natural History Unit
• 1 Brosnan, Pierce

• 31 English

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

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