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

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

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.

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

Complete list of species, with images and family descriptions.

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

Photo gallery, FAQ, classification, and links.

Basic information and images of the Paridae of the UK.

Photographs, links, and other useful information on the British Corvus genus.

Turtle Trax is dedicated to the wonder and beauty of sea turtles, showing people why sea turtles are threatened throughout the world.

Dedicated to the captive care and conservation of all turtles and tortoises. Includes gallery, care sheet, and taxonomic list.

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

Provides pictures, information, links, and captivity issues on orca whales.

Provides information on the research of Killer Whales. It is available in both English and Japanese.

Biology and stories about tigers and tiger hybrids.

Educational site that focuses on whales and marine research.

Non-profit organization dedicated to the worldwide protection of the polar bear and its arctic habitat.

This site provides comprehensive and up to date information regarding the koala.

Guide to the 181 species of Texas mammals, based on Davis and Schmidly`s classic printed handbook.

Video library of footage of the world`s birds, sponsored by the Handbook of the Birds of the World.

Wolf sanctuary in Ohio with information on wolf communication, pups, the pack, and why wolves are endangered.