• 3 Description and travel
• 3 Rivers
• 3 Stream ecology
• 2 Animal behavior
• 1 Animals
• 1 Bats
• 1 Behavior
• 1 Biodiversity
• 1 Effect of environment on
• 1 Endangered ecosystems
• 1 Endangered species
• 1 Extinction (Biology)
• 1 Gannets
• 1 Human beings
• 1 Human ecology
• 1 Introduced animals
• 1 Kangaroos
• 1 Koala
• 1 Loggerhead turtle
• 1 Marine animals
• 1 Natural disasters
• 1 Seals (Animals)
• 1 Sharks
• 1 Squirrels
• 1 Wintering

• 4 Thirteen Productions
• 3 Hayes, Michael J. (Voice actor)
• 2 Buchanan, Gordon, 1972-
• 2 Crawford, Rowan
• 1 Attenborough, David, 1926-
• 1 Baxter, Simon (Television director)
• 1 Bourton, Jody
• 1 Emery, Mark, 1954-
• 1 Gasteyer, Ana, 1967-
• 1 Gilbert, Louisa
• 1 Jarvis, Tom
• 1 Kingston, Clare
• 1 Lathane, Charlotte
• 1 Murray, Andrew
• 1 WNET (Television station : New York, N.Y.)

• 8 English

• 1 Africa, Southern
• 1 Alaska
• 1 Danube River
• 1 Europe
• 1 Everglades (Fla.)
• 1 Florida
• 1 Yukon
• 1 Yukon River (Yukon and Alaska)
• 1 Zambezi River
• 1 Zambia

• 8 Documentary television programs
• 2 Wildlife television programs
• 1 Animal television programs
• 1 Educational television programs
• 1 Nonfiction television programs

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