Biology

The AGRICOLA database contains citations to agricultural literature housed in the National Agricultural Library (NAL) and its partners. Coverage back to 1970 and includes more than 4.8 million citations.

Specific topics covered are ecology, physiology, systematics & taxonomy, evolution, life history, behavior, conservation, nutrition, reproduction, morphology & zoogeography, with selective coverage in biochemistry, economic biology, laboratory animal research, & immunology.

PubMed is a service of the U.S. National Library of Medicine that includes over 16 million citations from MEDLINE and other life science journals for biomedical articles back to the 1950s.

Large biology collection of 190 journals. from Ambio to Wildlife Monographs. Also a botany and plant sciences collection, developmental and cell biology, ecology and evolutionary biology, environmental science, and zoology. Every journal indexed begins with the first volume and issue, but few of them are current. JSTOR has a "rolling wall" which means the most recent 3 -5 years are usually not available.

BIOSIS is the premiere database for literature in the life sciences. BIOSIS covers medical topics, but coverage of clinical medicine is not as deep as PubMed or MEDLINE. For animal biology, you might also want to try Zoological Record. Searching Web of Science will automatically search the contents of this database.

"A digital collection of images related to freshwater and marine topics, in all their diversity," maintained by the Fisheries-Oceanography Library of the University of Washington

Browse the American Museum of Natural History online through their Digital Special Collections - search for specific items or look through exhibits and collections such as Opulent Oceans and Extraordinary Birds

From the United States Department of Agriculture, their Conservation Science portal covers topics such as plants and animals, soil and water, and other conservation programs and news

ITIS partners with scientific organizations around the world to present a system for finding taxonomic information and data plants, animals, fungi, and microbes