Sorex tundrensis Merriam 1900

• Main Authors: Russell A. Mittermeier, Don E. Wilson
• Format: Other/Unknown Material
• Language: unknown
• Published: Lynx Edicions 2018
• Subjects: Biodiversity; Taxonomy; Animalia; Chordata; Mammalia; Soricomorpha; Soricidae; Sorex; Sorex tundrensis; Kodiak; Northwest Territories; toundra; Tundra; Alaska; Siberia; Yukon
• Online Access: https://doi.org/10.5281/zenodo.6869623; http://treatment.plazi.org/id/3D474A54A021874EFA20A94B175FFCB2

23. Tundra Shrew Sorex tundrensis French: Musaraigne de la toundra / German: Tundra-Rotzahnspitzmaus / Spanish: Musarafia de tundra Other common names: Holarctic Shrew Taxonomy. Sorex tundrensis Merriam, 1900, “ St. Michaels, Alaska,” USA. Sorex tundrensis is currently included in the subgenus Sorex and is closely related to S. asper, which is close to the araneus group based on karyotype and mtDNA and nDNA sequencing. Ten subspecies recognized. Subspecies and Distribution. S.t.tundrensisMerriam,1900—Alaskaincluding S.t. Lawrence and Kodiak Is (USA) and N & W Yukon, extreme NE British Columbia, and N Northwest Territories (NW Canada). S.t.baikalensisOgnev,1913—TransbaikaliaandtheadjacentstepperegionofNMongolia(KhentiiMts);thissubspeciesmayalsooccurintheforest-steppeofNMongoliatoLakeKhuvsgul. S.t.borealisKastschenko,1905—ESiberiantundrafromYeniseiGulfEtoChukchiPeninsula(ERussia). S.t.buxtoniJ.A.Allen,1903—ESiberiantaigafromVilyuyRiverBasinEtoOkhotskSeacoast(ERussia). S.t.parvicaudatusOkhotina,1976—MoneronI,CSeaofJapan. S.t.petschoraeOgnev,1921—UralMtsandWSiberiaEtoYeniseiRiver(CRussia). S.t.schnitnikoviOgnev,1921—C&SAltaiandmountainsofEKazakhstan(Tarbagatai,Saur,andDzungarianAlatau)andNWChina(Xinjiang). S.t.sibiriensisOgnev,1921—W&CSiberia,KuznetskAlatau,NEAltai,SayanMts,andTuva(SCRussia). S.t.stroganoviYudin,1979—PrimorskyKrai(SRussianFarEast);thissubspeciesmayalsooccurinNEChinaandAmurRegion(ERussia). S. t. transrypheus S.t., 1956 — W Siberia (C Russia) and N Kazakhstan. Subspecific distribution in various parts of the range is uncertain. Descriptive notes. Head-body 61-86 mm (immatures 52-70 mm), tail 20-38 mm (immatures 34-44 mm), ear 7-8 mm, hindfoot 13-15 mm; weight 8-11-5 g (immatures 4-8-7-5 g). The Tundra Shrew is medium-sized, with striking color. Pelage is generally bicolored in the Palearctic (deep brown to nearly black on back and whitish on sides and venter). Pelage is generally more noticeably tricolored during the summer and more bicolored during the winter. Summer pelage is dark brown ...