A digital repository covering the natural marine, estuarine/brackish and fresh water environments. Directed by the International Association of Aquatic and Marine Science Libraries and Information Centers.

Official web site for the Fisheries Service within the National Oceanic and Atmospheric Administration.

Digital Library for NOAA's SEA Grant Documents.

Publications from the National Oceanographic and Atmospheric Administration.

10-year international effort undertaken in to assess the diversity (how many different kinds), distribution (where they live), and abundance (how many) of marine life. Results were reported in 2010.

Nonprofit volunteer marine conservation and science education group working together to educate the world about ocean life, marine biology, marine conservation, and a sea ethic.

Search older (legacy) materials about biodiversity from a consortium of natural history and botanical libraries.

An annual conservation vulnerability assessment for all 1,154 native bird species that occur in Canada, the continental United States, and Mexico.

Publicly available information related to ecology, including data, maps, software, and publications.

A searchable collection of selected images, historical artifacts, audio clips, publications, and video, most of which are in the public domain. Those not in the public domain are intended for personal, private use.

Comprehensive collection of select video clips and high-resolution still images from America's underwater treasures -- from the National Oceanic and Atmospheric Administration.

General information about bird identification, guides, and interacting with birds.

Global biodiversity information system on finfishes.

Information concerning the genetics, genomics, and biology of C. elegans and related nematodes.

A portal to historic botanical literature from the Missouri Botanical Garden Library.

Plant anatomy images and animations from the University of Miami.

From the University of Minnesota Libraries.

From the USDA, standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories.

A working list of all known plant species, from Royal Botanic Gardens, Kew and Missouri Botanical Garden, and other collaborators.

Information about native wildflowers, plants and landscapes throughout North America.

From the University of Washington

Comprehensive collection of select video clips and high-resolution still images from America's underwater treasures -- from the National Oceanic and Atmospheric Administration.

Audio recordings of animals and environments throughout the western United States.