Greater long-tailed hamsterThe greater long-tailed hamster is a rodent native to Siberia, the Korean Peninsula, and China. It is the only member of the genus Tscherskia.TaxonomyThe genetic diversity of Tscherskia triton has a positive correlation to population density when using microsatellite markers.Conservationand human activity have had an influence on the genetic variation of this species.BehaviorMale greater long-tailed hamsters exhibit high aggression during both the breeding and non-breeding seasons. Female greater long-tailed hamsters mainly show aggression during the non-breeding season.