World Biodiversity Database (Popularity: )

A growing taxonomic database and information system that aims at documenting all presently known species ...

Utah Conservation Data Center (Popularity: )

Database of photos and fact sheets for animals and plants occurring in this state. Includes ...

Integrated Taxonomic Information System (Popularity: )

Authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.

Tree of Life (Popularity: )

Phylogenetic tree with information about the diversity of organisms on Earth, their history, and characteristics. ...

Survey of the Plant Kingdoms (Popularity: )

Explores plant anatomy, taxonomy, and classification, from Monera through the higher plants. Includes descriptions as ...

BioImages - Virtual Fieldguide for UK Biodiversity (Popularity: )

Large selection of pictures of organisms, mostly British in origin. Images are an aid to ...

Natural Perspective (Popularity: )

Dedicated to the beauty and science of nature and to the joys nature brings to ...

ARKive (Popularity: )

Non-profit initiative of The Wildscreen Trust with photographs, movie clips, sound recordings, and brief desriptions ...

BioLib (Popularity: )

Taxonomic tree of plants and animals with a photo gallery and some checklists for the ...

BiologyBase (Popularity: )

Checklists, articles, and links for the world of life.

Biodiversity Explorer (Popularity: )

Classification of all forms of life, with some photos. Has a strong South African emphasis.

Natural Selection (Popularity: )

A gateway to quality, evaluated Internet resources in the natural world co-ordinated by The Natural ...

Discover Life (Popularity: )

Information about taxonomy, natural history, distribution, abundance, and ecology of many species worldwide. Includes tools ...

HabitasOnline (Popularity: )

Information on the plants, animals, and fossils of Ireland. Includes an encyclopedia of marine life ...

NCBI Taxonomy (Popularity: )

Searchable and browsable taxonomy tree of organisms for which there are publicly available gene sequences.

Kingdoms Project (Popularity: )

Project to establish web-based databases of organisms and other natural sciences subjects. Includes information about ...

Nature of New England (Popularity: )

Photos, facts, and links to information about birds, butterflies, mammals, and wildflowers of this region.

Canadian Version of Integrated Taxonomic Information System (Popularity: )

Searchable database of four kingdoms: plant, animal, fungi, monera. Search by scientific or common names, ...

Canada's Aquatic Environments (Popularity: )

Provides comprehensive information about the aquatic habitats, animals, and plants of this country.

Census of Marine Life (Popularity: )

A global network of researchers engaged in a ten-year initiative to assess and explain the ...