The Caucasian squirrel (Sciurus anomalus) or Persian squirrel, is a tree squirrel in the genus Sciurus found in temperate broadleaf and mixed forests...

The red squirrel (Sciurus vulgaris), also called Eurasian red squirrel, is a species of tree squirrel in the genus Sciurus. It is an arboreal and primarily...

The fox squirrel (Sciurus niger), also known as the eastern fox squirrel or Bryant's fox squirrel, is the largest species of tree squirrel native to North...

family includes tree squirrels, ground squirrels (including chipmunks and prairie dogs, among others), and flying squirrels. Squirrels are indigenous to...

The Douglas squirrel (Tamiasciurus douglasii) is a pine squirrel found in western North America, from the Pacific Northwest (including the northwestern...

the pine squirrels (the others are the Douglas squirrel, T. douglasii, and the southwestern red squirrel, T. fremonti). The American red squirrel is variously...

been known as the silver-gray squirrel, the California gray squirrel, the Oregon gray squirrel, the Columbian gray squirrel and the banner-tail. There are...

eastern gray squirrel (Sciurus carolinensis), also known, particularly outside of North America, as simply the grey squirrel, is a tree squirrel in the genus...

The Calabrian black squirrel (Sciurus meridionalis) is a species of tree squirrel in the genus Sciurus, endemic to the forests of the regions of Calabria...

Douglas squirrel T. d. mearnsi — Mearns's squirrel Tamiasciurus fremonti — southwestern red squirrel T. f. grahamensis — Mount Graham red squirrel Tamiasciurus...