• 1 UW Archives
• 1 Wisconsin Historical Society Library

• 10 DVDs
• 1 VHS Videocassettes

• 6 Endangered species
• 4 Gorilla
• 3 Gorilla gorilla
• 2 Behavior
• 2 Conservation
• 2 Habitat
• 2 Wildlife management
• 2 Wildlife rehabilitation
• 1 Amazonian manatee
• 1 Aye-aye
• 1 Balcomb, Kenneth C., III, 1940-
• 1 Bermejo, Magdalena
• 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 Crocodiles
• 1 Darling, James David, 1950-
• 1 Desert ecology
• 1 Dolphins

• 2 Aikenhead, Chris
• 2 British Columbia Film (Society)
• 2 Bruyère, Christian
• 2 Gardner, Andrew
• 2 Herring, Ian
• 2 National Film Board of Canada
• 2 Omni Film Productions
• 2 Silberman, Jack
• 2 Telefilm Canada
• 2 Timeless Media Group
• 1 Abraham, F. Murray
• 1 Ames, Betsy
• 1 Animal Planet (Television network)
• 1 Argo, Allison
• 1 ArgoFilms
• 1 BBC Cymru Wales
• 1 BFS Video (Firm)
• 1 Bailly, Jean Pierre
• 1 Barnela, Sanjay
• 1 Baviskar, Amita, 1965-
• 1 Canal+Horizons
• 1 Carlson, Jonathon
• 1 Carwardine, Mark
• 1 Centre Nationale de la Cinematographie
• 1 Davidson, John-Paul

• 13 English
• 1 Hindi

• 2 Madagascar
• 2 Rwanda
• 1 Arctic regions
• 1 Bahamas
• 1 British Columbia
• 1 China
• 1 Congo (Democratic Republic)
• 1 Congo River Valley
• 1 Costa Rica
• 1 Everglades
• 1 Everglades (Fla.)
• 1 Florida
• 1 Galapagos Islands
• 1 Guyana
• 1 India
• 1 Kenya
• 1 Kulu Valley
• 1 Marojejy National Park
• 1 Michigan
• 1 Namib Desert
• 1 Namib Desert (Namibia)
• 1 Namibia
• 1 Parc national des Virunga (Congo)
• 1 Saint Lawrence, Gulf of
• 1 Sonoran Desert

Limit year range