Avian External Anatomical Terms
- One-page summary of scientific terms describing avian anatomy.
- http://www.ups.edu/x6263.xml

Bio-Society Glossary
- By the European Commission. About 800 technical and scientific concepts from the fields of life sciences, biotechnlology, agriculture, and ecology.
- http://ec.europa.eu/research/biosociety/library/glossaryfind_en.cfm

Glossary of Terms from "The Origin of Species"
- Glossary of terms used in Darwin's "The Origin of Species".
- http://www.literature.org/authors/darwin-charles/the-origin-of-species/glossary.html

Glossary of Terms for Exotic Invaders
- Single-page parallel documents in English and French about nuisance species in the Great Lakes, by Environment Canada. Zoology, botany, aquatic ecology.
- http://www.on.ec.gc.ca/community/classroom/millennium/m2-glossary-e.html

Glossary of Ornithology Terms
- 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.
- http://www.virtualmuseum.ca/Exhibitions/Birds/MMMN/English/glossary_data.html

FishBase
- Definitions of more than 1000 terms related to ichthyology, taxonomy, ecology, population dynamics, genetics, oceanography, geography and related disciplines.
- http://www.fishbase.org/

InfoVisual
- 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.
- http://www.infovisual.info/

MAGUS: Multilingual Animal Glossary of Unveiled Synonyms
- Dictionary of names of wild and domestic animals in 53 languages of Europe.
- http://www.informatika.bf.uni-lj.si/magus.html

Bio Tech's Life Science Dictionary
- Contains terms associated with genetics, biochemistry, biotechnology, botany, chemistry, ecology, pharmacology, toxicology and medicine. Searchable by term or definition.
- http://biotech.icmb.utexas.edu/search/dict-search.html

Bird Dictionary
- Bird On! indexed dictionary of birdwatching terminology.
- http://www.birdcare.com/bin/searchdict?pfx=A

Glossary of Avian Terms
- United States Geological Survey glossary of avian terms.
- http://www.npwrc.usgs.gov/resource/literatr/avian/avian.htm

Genetics Glossary
- Glossary of genetic terminology maintained by the Rockefeller University.
- http://linkage.rockefeller.edu/wli/glossary/genetics.html

Spider Glossary
- List of terms used in the study and description of spiders and their activities.
- http://www.xs4all.nl/~ednieuw/Spiders/Spiderglossary.htm

Sharks
- Glossary of types of sharks, related scientific terms with pictures for many entries.
- http://www.zoomdinosaurs.com/subjects/sharks/glossary/

Cortland Herpetology Collection
- One-page glossary of herpetology terms.
- http://www.cortland.edu/herp/keys/glossary.htm

Butterfly Glossary
- Cross-referenced glossary of butterfly species with pictures.
- http://www.enchantedlearning.com/subjects/butterfly/glossary/

Birds of Britain
- Illustrated collection of terms and descriptions of birds found in British Isles.
- http://www.birdsofbritain.co.uk/bird-guide/

Biotechnology Terms
- The online version of Technomic Publishing's Glossary of Biotechnology Terms by Kimball R. Nill. Search or browse.
- http://biotechterms.org/sourcebook/index_kc.phtml