• 18 Natural history
• 13 Animals
• 12 Biotic communities
• 12 Ecology
• 12 Habitat (Ecology)
• 9 Earth sciences
• 6 Motion picture authorship
• 6 Physics
• 5 Biodiversity
• 5 Weather
• 4 Astronomy
• 4 Cosmology
• 4 Physical geography
• 4 Science
• 3 History
• 3 Research
• 3 Scientists
• 3 Sleep
• 2 Animals and civilization
• 2 Big bang theory
• 2 Cities and towns
• 2 Climatic changes
• 2 Desert ecology
• 2 Deserts
• 2 Einstein, Albert, 1879-1955

• 16 BBC Studios
• 11 Attenborough, David, 1926-
• 11 BBC America
• 11 British Broadcasting Corporation. Natural History Unit
• 11 France télévision
• 11 Tencent Pictures
• 11 Zweites Deutsches Fernsehen
• 8 Chadha, Dipti
• 8 Harith Iskander
• 8 Mowla, Nooshin (Television producer)
• 7 British Broadcasting Corporation
• 5 Cordey, Huw
• 5 Silverback Films (Firm)
• 4 Charles, Ed
• 4 Cox, Brian, 1968-
• 4 Lawrie, Ben
• 4 National Geographic Channel (Television station : Washington, D.C.)
• 4 Renouf, Jonathan
• 4 Stewart, Iain S.
• 3 BBC Productions
• 3 Lachmann, Michael (Television producer)
• 2 Anderson, Justin
• 2 Bruce, Lyndon
• 2 Crabtree, Steve (Television producer)

• 43 English

• 19 Earth (Planet)
• 5 Great Britain
• 1 New Zealand
• 1 Outer space
• 1 Sun

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