An online database of animal natural history, distribution, classification, and conservation biology

Fact sheets and photos of 444 species. In English and Dutch.

Searchable global database containing information on 25,585 species (110,000 common names), 71,000 synonyms, 28,000 photos, and 21,000 references.

Online USDA database of information, images, and links on plants in the USA, including crops and invasives. Search by name, geographic distribution, or other characteristics.

Large selection of pictures of organisms, mostly British in origin. Images are an aid to identification, showing different stages, states and views of the organisms. Search the database or follow a taxonomic tree.

Photographs and description of thousands species of macrofungi growing in Poland and Central Europe. Includes a determination key. In English and Polish.

Complete list of species, with images and family descriptions.

Non-profit initiative of The Wildscreen Trust with photographs, movie clips, sound recordings, and brief desriptions of selected endangered and protected species of Britain and the rest of the world.

Biology, ecology, habitat, and status of rare, threatened and endangered species of mammals and information on their native countries: biodiversity, ecosystems, population, and land use.

Phylogenetic tree with information about the diversity of organisms on Earth, their history, and characteristics. An on-going multi-authored project hosted by the University of Arizona.

Detailed descriptions of different species, including photos and sounds. Also includes mythology, art, books, and collectibles.

Discusses various scorpion-related topics, including photos and information of scorpion species from around the world, including those of medical importance. Contributors include systematists, ecologists, and enthusiasts.

Taxonomy and biology of wolves, hyenas, wild cats and dogs, and other wild carnivores.

Extensive collection of insect images.

A virtual zoo with photo galleries, web cams, news, and a zoo and aquarium directory.

Photos and sounds for almost 2000 bird species; field guide quick indices.

An online resource devoted to insects, spiders and their kin, with identification help, images, and information.

Photos, history, physical traits, nesting, and feeding habits of Haliaeetus leucocephalus. Includes poems and stories.

A large alphabetized photo gallery by Eric Hunt.

A place to find out the most current name for a bacterium.

Database of the names and associated basic bibliographical details of all seed plants.