Biology Research Guide

Searchable directory of internet resources in the botanical sciences.

A searchable collection of materials and plant images. provides structured access to a teaching collection of plant images representing over 250 families and 1500 genera of vascular plants. This collection is now organized in recognition of recent molecul

Directory of digital resources (images, power point presentations, etc) for teaching the biological sciences.

Open access database of peer-reviewed biology journals primarily from developing countries, particularly those in the Southern hemisphere.

Reference sources in the biological sciences (such as thesauri, etc) and links to relevant news articles, outside websites, etc.

Searchable catalog of selected internet resources in the biological sciences, published by the University of Nottingham (UK), particularly strong in the health sciences.

Open access full text peer-reviewed journal from the Public Library of Science.

NHGRI led the Human Genome project for NIH and here's a way to keep abreast of research that NHGRI has funded and conducted, and sign up for automatic feeds or updates of current research.

Database of information on amphibians worldwide, including a country index, and articles on the decline of amphibians.

Information on Endangered Species. Includes a species index, a group index (ie. Cats), a country index (listing endangered species by country), a listing of the world’s rarest mammals, and links to animal organizations, web sites, and publications.

Information on many different animal species, includes pictures and sound files.

Comprehensive ornithological database. Includes checklists of birds by geographic region.

Online version of the entire run of the out-of-print journal Biologia Centrali-Americana covering the discoveries of the late 1800s and early 1900s describing the fauna of Central America.

Information and pictures relating to insects (as well as spiders, centipedes, and scorpions) native to the US and Canada.

Online field guides

Taxonomic information for plants, animals, fungi, and microbes, as well as references for more information on each species.

Search or browse taxonomic information.

Database of literature on primate biology.

Searchable list of threatened species with general information including links to images and external resources.

Browseable “tree” of taxonomic classification, with information for each species.

Search engine for the USF&WS’s image collection.

Access to USF&WS’s brochures, articles, plans, and posters.

The World Wildlife Fund’s endangered species site.