5 Tigers: The Tiger Information Center
African Wildlife Foundation
American Bear Association
American Oceans Campaign
Animal Welfare Institute
Animals in Distress Sanctuary
Australian Koala Foundation
Bat Conservation International
Born Free
Bulgarian Animal Defence League
CHAI: Concern for Helping Animals in Israel
Cheetah Conservation Fund
Chimps, Inc.
Chinese Alligator Fund
Coalition to Prevent the Destruction of Canadian Geese
De Wildt Cheetah & Wildlife Centre
Defenders of Wildlife
Delta Society
Ducks Unlimited
Earthtrust
FARM: Farm Animal Reform Movement
Friends of the Asian Elephant
Friends of the Sea Otter
Greenpeace
IFAW: International Fund for Animal Welfare
In Defense of Animals
International Otter Survival Fund
International Primate Protection League
International Rhino Foundation
International Wildlife Coalition
International Wolf Center
Jane Goodall Institute
Koko.org: The Gorilla Foundation
Last Chance for Animals
National Opossum Society
National Wildlife Federation
North American Wolf Association
Orangutan Foundation International
PAWS: Progressive Animal Welfare Society
PETA: People for the Ethical Treatment of Animals
Polar Bears Alive
RSPCA: Royal Society for the Prevention of Cruelty to Animals
Seal Conservation Society
The Elephants of Cameroon
The Fund For Animals
The Peregrine Fund
The Raptor Center
The Tiger Foundation
The Wolf Sanctuary
The Wolverine Foundation
Tiger Haven
Tiger Missing Link Foundation
Timber Wolf Information Network
Wildlife Forever
WWF: World Wildlife Fund