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Three subspecies have recently been recognized as distinct species by some authorities: [6] Crater chipmunk, Neotamias cratericus, split from N. amoenus [7] Coulee chipmunk, Neotamias grisescens, split from N. minimus [7] Sierra del Carmen chipmunk, Neotamias solivagus, split from N. durangae [8]
Caged Tamias chipmunk, Tokyo area. The genus Tamias was formerly divided into three subgenera that, in sum, included all chipmunk species: Tamias, the eastern chipmunk and other fossil species; Eutamias, of which the Siberian chipmunk (E. sibiricus) is the only living member; and Neotamias, which includes the 23 remaining, mostly western ...
Distribution of Tamias striatus subspecies in the Door Peninsula vicinity: T. s. griseus (triangles), T. s. doorsiensis (circles), and T. s. peninsulae (squares). The black symbols mark where collected specimens were taken from, while the open symbols refer to other records.
Eutamias is a genus of chipmunks within the tribe Marmotini of the squirrel family. It includes a single living species, the Siberian chipmunk (Eutamias sibiricus).The genus is often treated as a subgenus of Tamias, which is now restricted to the eastern chipmunk of North America. [1]
A small species, it reaches about 30 cm (12 in) in length including the tail, and a weight of 66–150 g (2.3–5.3 oz). [15] It has reddish-brown fur on its upper body and five dark brown stripes contrasting with light brown stripes along its back, ending in a dark tail.
Subspecies is abbreviated as subsp. or ssp. and the singular and plural forms are the same ("the subspecies is" or "the subspecies are"). In zoology , under the International Code of Zoological Nomenclature , the subspecies is the only taxonomic rank below that of species that can receive a name.
Roman numerals: for example the word "six" in the clue might be used to indicate the letters VI; The name of a chemical element may be used to signify its symbol; e.g., W for tungsten; The days of the week; e.g., TH for Thursday; Country codes; e.g., "Switzerland" can indicate the letters CH; ICAO spelling alphabet: where Mike signifies M and ...
Tamias senex J. A. Allen, 1890 Allen's chipmunk ( Neotamias senex ), also known as the shadow chipmunk , is a species of chipmunk native to the western United States. [ 2 ] Occurring in California , Oregon , and Nevada , it is a common species of the Sierra Nevada .