Assertion: brown lemming | /r/HasProperty | lemmus sibiricus
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Source sentences:
text: Alternatively, some researchers have contended the Norwegian lemming populations had arisen from ancestors of the present-day brown lemming (Lemmus sibiricus), moving in after glaciers receded.
text: Three species of lemmings inhabit Alaska tundra, the brown lemming (Lemmus sibiricus), collard lemming (Dicrostonyx torquatus), and the northern bog lemming (Synaptomys borealis) .