Database of amphibian species, with current scientific names, original names, citations from the literature, geographic distribution, notes, and external links to images from Google...

"FishBase is a relational database with information to cater to different professionals such as research scientists, fisheries managers, zoologists and many more...

A collection of more than "20,000 descriptions of Earth science data sets and services covering all aspects of Earth and environmental sciences...

Database of information on over 8500 birds, mammals and amphibians of Latin America and the Caribbean...

The ITIS is the result of a partnership of federal agencies formed to satisfy their mutual needs for scientifically credible taxonomic information...

Endangered species of plants and animals in a database, searchable by status, country, habitat, year of assessment, marine region, major threat type, taxonomic, common name...

Database of "information on more than 65,000 plants, animals, and ecosystems of the United States and Canada," including particularly in-depth coverage for rare and endangered species...

Information on endangered species in the United States, provided by the governmental agency that deals most directly with the problem...

"This database is intended to provide information on the classification of all living reptiles by listing all species and their pertinent higher taxa...

A "collection of information about biodiversity compiled collaboratively by hundreds of expert and amateur contributors...

A map-driven, searchable database of more than 26,000 species of birds, mammals, reptiles, and amphibians worldwide...

"ETI's World Biodiversity Database is a continuously growing taxonomic database and information system that aims at documenting all presently known species (about 1...

Database containing well over a million zoological names...