Abstract
The spatial distribution of two marmot species Marmota baibacina and M. sibirica in a zone of coexistence was studied by using their alarm call as a diagnostic trait. It was found that M. baibacina prefers to inhabit bouldery screes, whereas M. sibirica inhabits all suitable biotopes. The difference in biotopic distribution of these species could be explained by M. sibirica forcing M. baibacina out of optimum habitats. Cases of coexistence of both species in one family group sites were registered, which might contribute to the appearance of hybrids.
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Original Russian Text © O.V. Brandler, A.A. Nikol’sky, V.V. Kolesnikov, 2010, published in Izvestiya Akademii Nauk, Seriya Biologicheskaya, 2010, No. 3, pp. 380–384.
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Brandler, O.V., Nikol’sky, A.A. & Kolesnikov, V.V. Spatial distribution of Marmota baibacina and M. sibirica (Marmota, Sciuridae, Rodentia) in a zone of sympatry in Mongolian Altai: Bioacoustic analysis. Biol Bull Russ Acad Sci 37, 321–325 (2010). https://doi.org/10.1134/S1062359010030155
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DOI: https://doi.org/10.1134/S1062359010030155