- By the European Commission. Defines a core of 800 technical and scientific concepts extracted from life sciences literature and other sources. For each term, main and alternative definitions, as well as their sources are provided.
- Searchable database of taxonomic fish names. Accounts are provided for over 10,000 generic names and over 58,000 species. By the California Academy of Sciences.
- Intended to provide quick access to easily-understood and cross-referenced definitions of terms. Features a graphical interface. Full access requires registration.
- Definitions of more than 1000 terms related to ichthyology, taxonomy, ecology, population dynamics, genetics, oceanography, geography and related disciplines.
- Illustrated single-page document by the Manitoba Museum of Man and Nature, Canada, on the physiology, taxonomy, and study of birds. A parallel version exists in French.
- Single-page parallel documents in English and French about nuisance species in the Great Lakes, by Environment Canada. Zoology, botany, aquatic ecology.
- Thematic visual dictionary by Bernard Déry, to learn by way of image. Concise definitions within the fields of vegetal biology, animal biology, and human anatomy.