Faunapolis
- Provides amateur naturalists with the opportunity to share their photographs and stories about the animals that co-exist with man in town, city or backyard.
- http://faunapolis.org

Worms
- Article by Wim van Egmond introducing oligochaetes, flatworms and nematodes with several photographs.
- http://www.microscopy-uk.org.uk/mag/wimsmall/worm.html

Macaulay Library Catalog
- Collection of animal recordings and associated video.
- http://www.animalbehaviorarchive.org/

OzWildlife Australian Wildlife Photography
- Provides photographs and information covering a wide range of Australian wildlife including mammals, birds, reptiles, frogs, insects and spiders.
- http://ozwildlife.freehostia.com/

Nematoda, Nematomorpha, Rotifera, Acanthocephala, Tardigrada and Pentastomida
- Descriptions of these phyla with photographs of certain example species
- http://www.emporia.edu/biosci/invert/lab4/

FAUNA Paraguay
- Includes information and images of Paraguayan wildlife, a free on-line Paraguayan zoology journal, and information about birdwatching and wildlife tours.
- http://www.faunaparaguay.com

Guide to Marine Life of North Vancouver Island
- Original photographs for identification of the common species of marine creatures found throughout the Pacific Northwest.
- http://northislandexplorer.com/marinelifeguide.htm

FaunaItalia
- A complete checklist of the whole Italian fauna, with over 57,400 species.
- http://faunaitalia.it/

Digital Morphology
- A dynamic archive of information on digital morphology and high-resolution X-ray computed tomography of biological specimens. Includes slice-by-slice animations, animated volumetric and 3D surface renderings, introduction, references, links, and archival
- http://www.digimorph.org/

Indian Fauna
- Searchable database that aims to provide accurate taxonomic and associated information about India's 81,000 known animal species.
- http://www.ncbi.org.in/biota/fauna/

The Phyla of Kingdom Animalia
- Comprehensive outline of animal taxonomy, with links to descriptions of phyla and major classes and orders.
- http://www.abdn.ac.uk/~nhi708/classify/animalia/index.html

Biological Diversity: Animals
- A concise, illustrated overview of Kingdom Animalia and the organization of animal bodies.
- http://www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBookDiversity_7.html

Jellies Zone
- Guide to gelatinous zooplankton of the U.S. Pacific Coast, with photos and information on jellyfish (true jellies), comb jellies, gelatinous molluscs, and pelagic tunicates.
- http://jellieszone.com/

The Animal Files
- Brief notes on the biology of about 50 animal species as well as their role in mythology, shamanism, and dream symbolism.
- http://www.dierinbeeld.nl/animal_files/

ExZOOberance
- A virtual zoo with photo galleries, web cams, news, and a zoo and aquarium directory.
- http://www.exzooberance.com/

The Animal Diversity Web
- An online database of animal natural history, distribution, classification, and conservation biology
- http://animaldiversity.ummz.umich.edu/

Natural Perspective
- Highlights of the larger members of the animal kingdom (Animalia).
- http://www.perspective.com/nature/animalia/

Introduction to the Metazoa
- Information on the group's fossil record, life history, ecology, systematics and morphology, covering each group of organisms (each taxon).
- http://www.ucmp.berkeley.edu/phyla/phyla.html