• 9 Videos, Slides, Films

• 2 DVDs

• 9 Animals
• 8 Ecology
• 1 Adaptation (Biology)
• 1 Autumn
• 1 Biodiversity
• 1 Biotic communities
• 1 Desert ecology
• 1 Habitat (Ecology)
• 1 Life (Biology)
• 1 Plants
• 1 Spring
• 1 Summer
• 1 Winter

• 8 British Broadcasting Corporation
• 7 BBC Worldwide Americas, Inc.
• 7 Discovery Channel (Firm)
• 4 Berlowitz, Vanessa
• 3 Barton, Miles
• 1 Anderson, Justin
• 1 BBC America
• 1 British Broadcasting Corporation. Natural History Unit
• 1 Charles, Ed
• 1 Devas, Fredi
• 1 Discovery Channel Canada
• 1 Fenton, George
• 1 France télévision
• 1 Gunton, Mike, 1957-
• 1 Holmes, Martha, 1961-
• 1 Hugh-Jones, Tom
• 1 Hunter, Chadden Piers
• 1 Jeffs, Kathryn
• 1 Linfield, Mark
• 1 Napper, Emma
• 1 Rees, Dan
• 1 Tencent (Firm)
• 1 Warner Home Video (Firm)

• 9 English
• 1 French

• 7 Antarctica
• 7 Arctic regions
• 7 Polar regions
• 1 Cold regions
• 1 Earth (Planet)
• 1 Eastern Hemisphere
• 1 Northern Hemisphere
• 1 Southern Hemisphere
• 1 Tropics
• 1 Western Hemisphere

• 9 Documentary television programs
• 8 Nature television programs
• 7 Science television programs
• 2 Nonfiction television programs
• 2 Video recordings for the hearing impaired
• 1 Television programs
• 1 Wildlife television programs

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