Squirrel

| image = Sciuridae.jpg | image_upright = 1.15 | image_caption = Various members of the family Sciuridae

| taxon = Sciuridae | authority = Fischer de Waldheim, 1817 | type_genus = ''Sciurus'' | type_genus_authority = Linnaeus, 1758 | subdivision_ranks = Subfamilies and tribes | subdivision = * Subfamily Ratufinae * Subfamily Sciurillinae * Subfamily Sciurinae ** Tribe Sciurini ** Tribe Pteromyini * Subfamily Callosciurinae ** Tribe Callosciurini ** Tribe Funambulini * Subfamily Xerinae ** Tribe Xerini ** Tribe Protoxerini ** Tribe Marmotini }}

Squirrels are members of the family Sciuridae (), a family that includes small or medium-sized rodents. The squirrel family includes tree squirrels, ground squirrels (including chipmunks and prairie dogs, among others), and flying squirrels. Squirrels are indigenous to the Americas, Eurasia, and Africa, and were introduced by humans to Australia. The earliest known fossilized squirrels date from the Eocene epoch, and among other living rodent families, the squirrels are most closely related to the mountain beaver and dormice. Provided by Wikipedia