• 2 Animals
• 2 Ecology
• 2 Physical geography
• 1 Discovery and exploration
• 1 Earth sciences
• 1 Environmental conditions
• 1 Marine animals

• 4 British Broadcasting Corporation
• 3 Discovery Channel (Firm)
• 2 Attenborough, David, 1926-
• 2 BBC Worldwide Ltd.
• 1 BBC Worldwide Americas, Inc.
• 1 Berlowitz, Vanessa
• 1 Clay, Jonathan (Television producer)
• 1 Cumberbatch, Benedict, 1976-
• 1 Fothergill, Alastair
• 1 Lawrie, Ben
• 1 National Geographic Channel (Television station : Washington, D.C.)
• 1 Nihon Hōsō Kyōkai
• 1 Rees, Dan
• 1 Renouf, Jonathan
• 1 Stewart, Iain S.

• 4 English

• 2 Earth (Planet)
• 2 Polar regions
• 1 Antarctica
• 1 Arctic regions
• 1 Islands of the Pacific
• 1 Solar system
• 1 South Pacific Ocean

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