Squirrel is the common name for rodents of the family Sciuridae (from Greek skia "shadow" and oura "tail" i.e. "tail that casts a shadow"). In everyday speech in the English-speaking world it usually refers to members of the genera Sciurus and Tamiasciurus. These typical members of the family are tree squirrels with large bushy tails, and are indigenous to Europe, Asia and the Americas. Similar genera are found in Africa. However, the Sciuridae also include flying squirrels, and ground squirrels such as the chipmunks, prairie dogs, and woodchucks. The unrelated family Anomaluridae also have "squirrel" in their common name, though they are usually referred to as "scaly-tailed flying squirrels". The word squirrel comes from the Old French esqurial, which itself comes from the Vulgar Latin word scuriolus (squirrel).

Flying Squirrel - Brief description and sketch from the Canadian Museum of Nature.
Oakland Zoo: Prevost's Squirrel - Provides a basic description of this species native to Southeast Asia.
Prairie Dog - Photographs and description from the Chaffee Zoological Gardens.
Meta Description: [ Spend the day with over 700 mammals, birds and reptiles at the Fresno Chaffee Zoo! The Zoo's winding pathways and dense vegetation provide a beautiful backdrop for your stroll through the animal kingdom. ]
Red Squirrel - Brief description and sketch from the Canadian Museum of Nature.
Red Squirrel - Full-color photograph and brief description.
Meta Description: [ Red Squirrel. A Wildlife Viewing Guide to Red Squirrels of British Columbia, Canada ]
Richardson Ground Squirrel - Brief description and sketch from the Canadian Museum of Nature.
Southern Flying Squirrels - Includes brief description as well as information on habits, reproduction, and management.
Meta Description: [ Search page ]
Squirrel Gallery - Collection of pictures and fun trivia from amateur photographer Tommy Lo.
Meta Description: [ Featuring great pictures of squirrels,nature, Washington, D.C. and more! All photographs taken by amateurphotographer Tommy Lo! ]
Squirrel Wildlife Rehabilitation - Find out what to do if an orphaned squirrel is found. Pictures will help determine the age of the baby.
Meta Description: [ Find out what to do if an orphaned squirrel or baby squirrel is found and get help locating a wildlife rehabilitator. Squirrel pictures will help determine the age of the orphaned/baby squirrel you have found. ]
The Garden Safari: Squirrels - Numerous pictures and facts about the European Red Squirrel.
Meta Description: [ The squirrels in our garden with lots of pictures by Hania Arentsen. ]
The Squirrel Place - Includes history, trivia, answers to frequently asked questions, tips for caring for an orphan, and video clips.
Meta Description: [ Links to on-line squirrel, and/or squirrel resources ]
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