#Lemmus__genus_lemmus  lemmings
  supertype:  mammal_genus  a genus of mammals
  member of:  family_Cricetidae
  member:  European_lemming__Lemmus_lemmus  notable for mass migrations even into the sea where many drown
  member:  brown_lemming__brownlemming__Lemmus_trimucronatus  of northwestern Canada and Alaska

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