BiologyBase
Checklists, articles, and links for the world of life.
Integrated Taxonomic Information System
Authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.
World Biodiversity Database
A growing taxonomic database and information system that aims at documenting all presently known species (about 1.7 million). Taxonomic trees, descriptions, synonyms, literature citations, and molecular database queries.
BioImages - Virtual Fieldguide for UK Biodiversity
Large selection of pictures of organisms, mostly British in origin. Images are an aid to identification, showing different stages, states and views of the organisms. Search the database or follow a taxonomic tree.
Biodiversity Explorer
Classification of all forms of life, with some photos. Has a strong South African emphasis.
Natural Perspective
Dedicated to the beauty and science of nature and to the joys nature brings to those who explore it. The material here is organized according to the biological principles of Taxonomy.
ARKive
Non-profit initiative of The Wildscreen Trust with photographs, movie clips, sound recordings, and brief descriptions of selected endangered and protected species of Britain and the rest of the world.
BIOSIS Resources
Includes the Index to Organism Names, a publicly available subset of TRITON the Taxonomy Resource, and the Zoological Record Thesaurus.
Natural Selection
A gateway to quality, evaluated Internet resources in the natural world co-ordinated by The Natural History Museum, London.
Kingdoms Project
Project to establish web-based databases of organisms and other natural sciences subjects. Includes information about some taxonomic groups.
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