• 2 College Library
• 2 Steenbock Library
• 2 Wisconsin's Water Library

• 6 DVDs

• 66 Animals
• 28 Animal behavior
• 14 Habitat (Ecology)
• 12 Natural history
• 12 Savanna animals
• 11 Adaptation (Biology)
• 11 Biodiversity
• 11 Life (Biology)
• 10 Marine animals
• 9 Ecology
• 8 Animal ecology
• 8 Behavior
• 8 Description and travel
• 7 Savanna ecology
• 6 Courtship in animals
• 6 Marine ecology
• 6 Sexual behavior in animals
• 5 Discoveries in geography
• 5 Discovery and exploration
• 5 Habitat
• 5 Lion
• 5 Natural disasters
• 4 Bears
• 4 Endangered species
• 4 Felidae

• 41 British Broadcasting Corporation
• 39 Attenborough, David, 1926-
• 39 Public Broadcasting Service (U.S.)
• 38 BBC Worldwide Ltd.
• 34 Discovery Channel (Firm)
• 34 Thirteen Productions
• 26 BBC Worldwide Americas, Inc.
• 23 BBC Earth (Firm)
• 22 British Broadcasting Corporation. Natural History Unit
• 19 France télévision
• 17 WNET (Television station : New York, N.Y.)
• 12 Downer, John (Television producer and director)
• 12 Fuller, Simon
• 12 John Downer Productions Ltd.
• 12 XIX Entertainment (Firm)
• 10 BBC Studios
• 10 Holmes, Martha, 1961-
• 10 Morgan, Chris, 1968-
• 8 Barrington, Rupert
• 7 Open University
• 6 BBC America
• 6 Bonham Carter, Helena, 1966-
• 6 Boyega, John
• 6 National Geographic Channel (Television station : Washington, D.C.)
• 6 Nyong'o, Lupita

• 112 English

• 12 Africa
• 12 Serengeti National Park (Tanzania)
• 12 Tanzania
• 6 Alaska
• 6 Serengeti National Park
• 6 Serengeti Plain
• 6 Serengeti Plain (Tanzania)
• 5 Pacific Ocean
• 4 Botswana
• 4 Great Britain
• 4 Okavango River Delta
• 4 Okavango River Delta (Botswana)
• 3 Okavango River
• 3 Scandinavia
• 2 Antarctica
• 2 Kenya
• 2 Luangwa River Valley (Zambia and Mozambique)
• 2 South Africa
• 1 Admiralty Island (Alaska)
• 1 Africa, Eastern
• 1 Antarctic Peninsula
• 1 Arctic regions
• 1 Austria
• 1 Borneo
• 1 Bristol

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