Harris's Antelope Squirrel (Ammospermophilus harrisii), adult on branch, Tucson, Arizona, USA

adult america american ammospermophilus animal animals antelope arizona branch day daylight daytime during exterior exteriors fauna harrisii harriss kingdom mammal mammalia mammalian mammalians mammals nature nobody north of on outdoor photo photos rodent rodentia rodents sciurid sciuridae sciurids shot shots spermophilus squirrel squirrels states tetrapod the tucson united us us american usa vertebrata vertebrate vertebrates wild wildlife world xerinae