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An introduction to the naming and relationships of living things. Classification involves much human judgement and is in a constant state of flux as new information is discovered.
A new project to create an online reference source and database for every one of the 1.8 million species that are named and known on this planet. Includes FAQ and press resources.
Taxonomic tree of mammals, insects, birds, and plants. Includes common and scientific names, publication details, references, links, general range maps, and some images. Most complete for Lepidoptera.
A species search engine from Rod Page of Glasgow University. Search on either the common or Latin name of a species. Results are generated by querying other data sources.
Information about taxonomy, natural history, distribution, abundance, and ecology of many species worldwide. Includes tools to identify, map, and database species.