• 2 Videos, Slides, Films

• 2 Animals
• 2 Natural history
• 2 Physical geography
• 1 Ecology
• 1 Forest ecology
• 1 Jungles
• 1 Tropics

• 2 Attenborough, David, 1926-
• 2 BBC Worldwide Americas, Inc.
• 2 British Broadcasting Corporation
• 2 Fothergill, Alastair
• 1 Cordey, Huw
• 1 Linfield, Mark

• 2 English

• 2 Earth (Planet)

• 2 Documentary television programs
• 2 Nature television programs
• 2 Science television programs

Limit year range