Provides biodiversity knowledge about all known species, including their taxonomy, geographic distribution, collections, genetics, evolutionary history, morphology, behavior, ecological relationships, and importance for human well being.
Collection of information about biodiversity compiled collaboratively by hundreds of expert and amateur contributors. Contains pictures, text, and other information for species living or extinct and the hierarchy of life, phylogeny and evolution.
Provides information about plant and animal species, updates on legislation and policy regarding species management, and details about species conservation status. Site sections include Endangered Species, Birds, Invasive Species, Pollinators, The Image Library, and Wildlife Fact Sheets.
Online version of John James Audubon's Birds of America. It is from the 1840 edition of Audubon's complete seven volume text, and presents Audubon's images and original text descriptions. Bird species can be found listed alphabetically, or categorized by family.