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SPECIES Sorex (Otisorex) ugyunak

Author:Anderson and Rand, 1945.
Citation:Canadian Field Nat., 59: 62.
Common Name:Barren Ground Shrew
Type Locality:"Tuktuk (Tuktuyaktok), northeast side of Mackenzie River delta, south of Toker Point, Mackenzie District, Northwest Territories, Canada."
Distribution:Mainland tundra west of Hudson Bay (Canada), and N Alaska (USA).
Status:IUCN Lower Risk (lc).
Comments:Subgenus Otisorex; S. cinereus group (Demboski and Cook, 2003). Karyotype has 2n = 60, FN = 62. Formerly included in cinereus, but van Zyll de Jong (1976, 1991b) provided arguments for a specific destinction of ugyunak; genetically related to jacksoni, portenkoi, camtschatica, and pribilofensis (Demboski and Cook, 2003). See Junge and Hoffmann (1981) and van Zyll de Jong (1983a, and in Wilson and Ruff, 1999) for further information.
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