The African Wildlife Foundation
http://www.awf.org/ Chelonian Conservation and Biology
http://www.chelonian.org/ccb/ CITES (the Convention on International Trade in Endangered Species of Wild Fauna and Flora)
http://www.cites.org/ Conservation Breeding Specialist Group
http://www.cbsg.org/ Fauna & Flora International
http://www.fauna-flora.org/ Friends of Conservation
http://www.foc-uk.com/ Greenpeace
http://www.greenpeace.org.uk/index.cfm The Great Bustard Project
http://www.greatbustard.com/ TRAFFIC, the wildlife trade monitoring network
http://www.traffic.org/Home.action The World Conservation Union
http://www.iucn.org/ The Avicultural Society
http://www.avisoc.co.uk/ The Electronic Zoo
http://netvet.wustl.edu/e-zoo.htm The Game Conservancy Trust
http://www.gct.org.uk/ UNEP World Conservation Monitoring Centre
http://www.unep-wcmc.org/ Royal Geographical Society
http://www.rgs.org/HomePage.htm Royal Society for the Protection of Birds
http://www.rspb.org.uk/ The Wildfowl & Wetlands Trust
http://www.wwt.org.uk/ WWF-UK
http://www.wwf.org.uk/core/index.asp Zoological Society of London
http://www.zsl.org/ | 
