■ American Malacological Society

■ American Museum of Natural History

■ Asociacion Espanola de Zoos y Acuarios (AEZA)

■ Asian Conservation Awareness Programme (ACAP)
■ Association for Biodiversity Information

■ Association of Zoo Veterinary Technicians

■ ARAZPA Australasian Regional Association

■ Biodiversity Support Program (BSP)
■ California Native Plant Society

■ Center for Biological Diversity

■ Center for Environmental Philosophy

■ Center for Global and Regional Environmental Research (CGRER)

■ Columbia River Inter-Tribal Fish Commission

■ Commission for the Conservation of Antarctic Marine Living Resources

■ Committee on the Status of Endangered Wildlife in Canada

■ Convention on Biological Diversity (CBD)

■ Conservation Breeding Specialist Group

■ Crocodile Specialist Group

■ David Shepherd Conservation Foundation

■ Declining Amphibian Populations Task Force (DAPTF) - Home Pages

■ Environmental Protection Agency (EPA)

■ Environmental Studies Association of Canada

■ European Association of Zoos and Aquaria

■ International Commission for the Conservation of Atlantic Tunas

■ International Pacific Halibut Commission