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...

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

Database of the names and associated basic bibliographical details of all seed plants; includes indexes to accepted abbreviations for authors and sources...

"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...

Database containing well over a million zoological names...