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The Arizona gray squirrel (Sciurus arizonensis) is a tree squirrel, in the genus Sciurus, endemic to the canyons and valleys surrounded by deciduous and mixed forests in eastern Arizona and northern Mexico. It is threatened by habitat loss.
The number of species in the genus is subject to change. In 2005, Thorington & Hoffman- whose taxonomic interpretation is followed by the IUCN website- accepted 28 species in the genus: [a] Genus Sciurus. Sciurus granatensis. Subgenus Sciurus. Allen's squirrel, Sciurus alleni; Arizona gray squirrel, Sciurus arizonensis
Sciurini (/ s ɪ ˈ j uː r ɪ n iː /) is a tribe that includes about forty species of squirrels, [2] mostly from the Americas. It includes five living genera—the American dwarf squirrels, Microsciurus; the Bornean Rheithrosciurus; the widespread American and Eurasian tree squirrels of the genus Sciurus, which includes some of the best known squirrel species; the Central American ...
Gray squirrel or grey squirrel may refer to several species of squirrel indigenous to North America: . The eastern gray squirrel (Sciurus carolinensis), from the eastern United States and southeastern Canada; introduced into the United Kingdom, Ireland, western North America, Italy, and South Africa
The southern fox squirrel (Sciurus niger niger) is a close relative of the gray squirrel, which is one of the most common squirrel species in the country, and is considered to be the most variably ...
The currently accepted scientific name for Abert's squirrel is Sciurus aberti Woodhouse, 1853. [4] Woodhouse had initially described the species as Sciurus dorsalis in 1852, but this name turned out to be preoccupied by Sciurus dorsalis Gray, 1849 (now a subspecies of variegated squirrel S. variegatoides), and thus the present species was renamed.
With a typical head-and-body length of about 15 cm (5.9 in) and a 12 cm (4.7 in) long tail, dwarf squirrels are relatively small. However, the Neotropical pygmy squirrel, not in this genus, is much smaller than these species, as are certain squirrels in Africa and Asia. Microsciurus species have gray or brown backs, and white bellies.
The spider is gray and black and has a "fiery red" abdomen. This fuzzy little guy, named Aphonopelma jacobii, is the 30th species of tarantula to be documented in the U.S., according to the news ...