The BEN portal, the National Science Digital Library (NSDL) Pathway for biological sciences education, comprises an extensive digital library of biological resources for biology teaching and research at all educational levels. The BEN Portal provides access to education resources from BEN Collaborators and is managed by the American Association for the Advancement of Science (AAAS).
BiologyBrowser is from Thomson Reuters, the publisher of BIOSIS Previews, Zoological Record and Web of Science. It provides links to relevant scientific digital resources, nomenclatural glossary for zoology, and student guide to the Animal Kingdom.
The Biodiversity Heritage Library (BHL) is a consortium of natural history and botanical libraries that cooperate to digitize the legacy literature of biodiversity held in their collections and to make that literature available for open access and responsible use as a part of a global “biodiversity commons.”
The USGS is a science organization that provides impartial information on the health of our ecosystems and environment, the natural hazards that threaten us, the natural resources we rely on, the impacts of climate and land-use change, and the core science systems that help us provide timely, relevant, and useable information.
Avibase is an extensive database information system about all birds of the world, containing over 12 million records about 10,000 species and 22,000 subspecies of birds, including distribution information, taxonomy, synonyms in several languages and more.