• 3 DVDs

• 6 Animals
• 4 Adaptation (Biology)
• 4 Seasons
• 3 Biodiversity
• 3 Life (Biology)
• 2 Carnivorous plants
• 2 Natural history
• 1 Amphibians
• 1 Animal diversity
• 1 Animal migration
• 1 Aquatic ecology
• 1 Autumn
• 1 Behavior
• 1 Biotic communities
• 1 Birds
• 1 Botany
• 1 Coasts
• 1 Deep-sea animals
• 1 Desert ecology
• 1 Elephants
• 1 Fishes
• 1 Floods
• 1 Forest ecology
• 1 Freshwater ecology

• 7 BBC Earth (Firm)
• 6 Attenborough, David, 1926-
• 5 BBC Worldwide Ltd.
• 4 Scott, Andrew, 1976 October 21-
• 3 British Broadcasting Corporation
• 3 Discovery Channel (Firm)
• 3 Holmes, Martha, 1961-
• 3 Public Broadcasting Service (U.S.)
• 2 BBC Worldwide Americas, Inc.
• 2 Coules, Victoria
• 2 Holzer, Sabine (Producer)
• 2 Nicholls, Steve
• 2 Sky Vision (Firm)
• 2 Terra Mater Factual Studios
• 1 2 Entertain (Firm)
• 1 Allan, Douglas
• 1 Baker, Nick (Television writer)
• 1 Bass, Karen
• 1 British Broadcasting Corporation. Television Service
• 1 Brosnan, Pierce
• 1 Buffie, Erna
• 1 Canadian Broadcasting Corporation
• 1 Cryer, Sally
• 1 DeGruy, Michael, 1951-2012
• 1 Fothergill, Alastair

• 11 English

• 1 Alaska
• 1 Arctic regions
• 1 Botswana
• 1 British Columbia
• 1 Earth (Planet)
• 1 Great Plains
• 1 Kalahari Desert
• 1 Okavango River Delta
• 1 Polar regions
• 1 Serengeti Plain
• 1 South Africa
• 1 Tanzania
• 1 Tropics

• 3 Science television programs
• 3 Video recordings for the hearing impaired
• 3 Wildlife television programs
• 1 Educational television programs
• 1 Nonfiction television programs
• 1 Observations
• 1 Video recordings for people with visual disabilities

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