The Caucasian squirrel (or Persian squirrel) (Sciurus anomalus) is a tree squirrel in the genus Sciurus found in Armenia, Azerbaijan, Georgia, Greece (only in the island of Lesbos), Iran, Iraq, Israel, Jordan, Lebanon, Syria, and Turkey.
The sites are home to the Dormouse (Muscardinus avellanarius), red squirrel (Sciurus vulgaris) and the nationally scarce Small Pearl-bordered Fritillary (Boloria selene) and Kent black arches (Meganola albula).
Distance to refuge: Gray squirrels (Sciurus carolinensis) typically run to the nearest tree to escape from predators.
The Eastern gray squirrel (Sciurus carolinensis), from the eastern United States and southeastern Canada; introduced into Britain, Ireland, western North America, Italy, and South Africa
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The Arizona gray squirrel (Sciurus arizonensis), from the southwestern United States and adjacent Mexico
There are three geographical subspecies: Sciurus griseus griseus (central Washington to the western Sierra Nevada in central California); S. g. nigripes (from south of San Francisco Bay to San Luis Obispo County, California; and S. g. anthonyi, which ranges from San Luis Obispo to northern Baja California).