Over the past 20 years, the Siberian lemming popuation disappeared from the Yamal Peninsula. The number of the collared lemmings has plunged more than ten-fold, and the populations of other ...
Perhaps the most interesting small mammal identified is Dicrostonyx torquatus, the collared lemming, represented by a single tooth. Today this species is confined to tundra habitats in the far north, ...
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