Searchable database of four kingdoms: plant, animal, fungi, monera. Search by scientific or common names, English or French.

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.

Includes the Index to Organism Names, a publicly available subset of TRITON the Taxonomy Resource, and the Zoological Record Thesaurus.

Information about taxonomy, natural history, distribution, abundance, and ecology of many species worldwide. Includes tools to identify, map, and database species.

Phylogenetic tree with information about the diversity of organisms on Earth, their history, and characteristics. An on-going multi-authored project hosted by the University of Arizona.

Wikimedia Foundation project that aims to catalog all species.

Photos, facts, and links to information about birds, butterflies, mammals, and wildflowers of this region.

Database of photos and fact sheets for animals and plants occurring in this state. Includes lists of sensitive, threatened, and endangered species.

Information on the plants, animals, and fossils of Ireland. Includes an encyclopedia of marine life of the UK. From the Ulster Museum Sciences Division.

Provides comprehensive information about the aquatic habitats, animals, and plants of this country.