
Observations: Voles, in general, are short-lived and show seasonal population crashes, probably due to lack of food. These animals are estimated to live up to 1.8 years (Bernhard Grzimek 1990), but without further studies their maximum longevity cannot be determined.
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The tundra vole (Alexandromys oeconomus) or root vole is a medium-sized vole found in Northern and Central Europe, Asia, and northwestern North America, including Alaska and northwestern Canada. In the western part of the Netherlands, the tundra vole is a relict from the ice age and has developed into the subspecies A. o. arenicola.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).