• 22 Animals
• 16 Ecology
• 12 Biodiversity
• 12 Biotic communities
• 12 Habitat (Ecology)
• 7 Earth sciences
• 6 Indians of North America
• 6 Marine animals
• 6 Motion picture authorship
• 5 Description and travel
• 5 History
• 5 Weather
• 4 Volcanoes
• 3 Endangered ecosystems
• 3 Human ecology
• 3 Jungles
• 2 Animals and civilization
• 2 Cities and towns
• 2 Climatic changes
• 2 Desert ecology
• 2 Deserts
• 2 Discovery and exploration
• 2 Grasslands
• 2 Islands

• 18 Attenborough, David, 1926-
• 18 BBC America
• 18 British Broadcasting Corporation
• 18 British Broadcasting Corporation. Natural History Unit
• 18 France télévision
• 18 Zweites Deutsches Fernsehen
• 11 Tencent Pictures
• 7 Tencent Penguin Pictures
• 7 Zhong yang dian shi tai (Beijing, China). Ji lu pin dao
• 6 Cordey, Huw
• 6 Cumberbatch, Benedict, 1976-
• 6 Discovery Channel (Firm)
• 6 Ereira, Alan
• 6 WNET (Television station : New York, N.Y.)
• 5 Silverback Films (Firm)
• 4 Charles, Ed
• 4 Hunter, Chadden Piers
• 4 Napper, Emma
• 3 Alucia Productions
• 3 Atlantic Productions (London, England)
• 3 Backhouse, Annie
• 3 Bonnar, Mark
• 3 Davis, Mike (Producer and director)
• 3 Devas, Fredi

• 46 English

• 17 Earth (Planet)
• 7 North America
• 6 Islands of the Pacific
• 6 South Pacific Ocean
• 3 Galapagos Islands
• 3 Papua New Guinea
• 2 China
• 1 Africa
• 1 Alaska
• 1 Antarctica
• 1 Asia
• 1 Atlantic States
• 1 Australia
• 1 California
• 1 Europe
• 1 Florida
• 1 Great Plains
• 1 New Guinea
• 1 Rocky Mountains
• 1 Solar system
• 1 Solomon Islands
• 1 South America
• 1 Sun
• 1 United States
• 1 Yellowstone National Park

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