World Wildlife Fund (WWF) www.worldwildlife.org
Online invertebrate dictionary digitalcommons.unl.edu/onlinedictinvertzoology
Integrated Taxonomic Information System (ITIS) itis.gov
International Society for Phylogenetic Nomenclature phylonames.org
Bird Life International birdlife.org
Encyclopedia of Life (EOL) eol.org
ARKive – Visual and audio recordings of the world’s species arkive.org
The Field Museum fieldmuseum.org
WikiSpecies species.wikimedia.org
FishBase www.fishbase.org
International Union for Conservation of Nature (IUCN) www.iucn.org
Catalogue of Life www.catalogueoflife.org
Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) cites.org

Field Guides

Tropical Animals (The Field Museum)
fieldguides.fieldmuseum.org  

Other resources

The IUCN Red List of Threatened Species (Red List) iucnredlist.org
Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES)
cites.org

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