Conservation Evidence
Based at University of Cambridge, Conservation Evidence provides summaries of conservation actions for species and habitats. 

Convention on International Trade in Endangered Species of Wild Fauna and Flora
The website of CITES includes text of the convention, documents from the convention and national reports.

International Whaling Commission
Information on scientific research and conservation issues.

The IUCN Red List of Threatened Species
A searchable database of endangered species.

The State of the Birds
An annual publication on distribution and conservation of birds in the U.S.

TRAFFIC
A program of the IUCN and WWF that monitors wildlife trade. Links to factsheets and other publications.

Wildlife Conservation Research Unit
Based at Oxford University, Department of Zoology. This website gives information about research projects of WildCRU.

Wildlife Conservation Society
A conservation organization based at the Bronx Zoo. Their website provides links to information on aspects of international wildlife and wild land conservation.

World Wild Fund for Nature
Links to factsheets and other WWF publications in the fields of freshwater, climate change, species, policy, forests, marine resources, and toxic waste.