• 6 Wildlife conservation
• 3 Gorilla
• 2 Animals
• 2 Behavior
• 2 Conservation
• 2 Gorilla gorilla
• 2 Wildlife rehabilitation
• 1 Amazonian manatee
• 1 Aye-aye
• 1 Balcomb, Kenneth C., III, 1940-
• 1 Blue whale
• 1 Bornean orangutan
• 1 Calver, Tim
• 1 Chapman, Colin
• 1 Chimpanzees
• 1 Cipoletta, Chloe
• 1 Claridge, Diane
• 1 Conservation of Natural Resources
• 1 Darling, James David, 1950-
• 1 Dolphins
• 1 Effect of human beings on
• 1 Fedigan, Linda
• 1 Galdikas, Biruté Marija Filomena
• 1 Grizzly bear

• 2 Aikenhead, Chris
• 2 British Columbia Film (Society)
• 2 Bruyère, Christian
• 2 David, Keith
• 2 Gardner, Andrew
• 2 Herring, Ian
• 2 National Film Board of Canada
• 2 National Geographic Society (U.S.)
• 2 Omni Film Productions
• 2 Silberman, Jack
• 2 Telefilm Canada
• 2 Timeless Media Group
• 2 Warner Home Video (Firm)
• 1 Abraham, F. Murray
• 1 Animal Planet (Television network)
• 1 Argo, Allison
• 1 ArgoFilms
• 1 BBC Cymru Wales
• 1 BBC Worldwide Americas, Inc
• 1 BFS Video (Firm)
• 1 Bailly, Jean Pierre
• 1 Canal+Horizons
• 1 Carwardine, Mark
• 1 Centre Nationale de la Cinematographie
• 1 Davidson, John-Paul

• 2 Africa
• 2 Rwanda
• 1 Arctic regions
• 1 Bahamas
• 1 British Columbia
• 1 China
• 1 Congo River Valley
• 1 Costa Rica
• 1 Guyana
• 1 Saint Lawrence, Gulf of
• 1 Uganda

Limit year range