Order Rodentia - Family Sciuridae Author Robert S. Hoffmann Author Charles G. Anderson text 1993 Smithsonian Institution Press Washington and London Editor Don E. Wilson Editor DeeAnn M. Reeder Mammal Species of the World (2 nd Edition) 419 465 book chapter http://doi.org/10.5281/zenodo.7353130 1-56098-217-9 7353130 Marmota sibirica (Radde, 1862) . Reise in den Süden von Ost-Sibierien, p. 159 . TYPE LOCALITY: "Kulusutai, near Lake Torei-Nor, southeast Transbaikal" [Chitinsk Obi., Russia ] . DISTRIBUTION: SW Siberia, Tuva , Transbaikalia ( Russia ); N and W Mongolia ; Heilungjiang and Inner Mongolia ( China ). SYNONYMS: caliginosus Bannikov and Skalon, 1949; dahurica (Dybowski, 1922). COMMENTS: Placed (with baibacina ) in bobak ( Ellerman and Morrison-Scott, 1951:515 ; Corbet, 1978c:81 ). Gromov et al. (1965) and Zimina (1978) provided evidence of specific distinctness and included caliginosus in this species; see comment under baibacina . Nikol'skii (1974) and Smirin et al. (1985) analyzed contact between baibacina and sibirica in Tuva and the Mongolian Altai ; Sokolov and Orlov (1980:329) also indicated sympatry in NW Mongolia; limited hybridization is possible.