page_title: List of mammals of Japan
section_title: Order: Rodentia (rodents)
hierarchical_section_title: List of mammals of Japan / Subclass: Theria / Infraclass: Eutheria / Order: Rodentia (rodents)
caption_attribution_description: English: Myodes rufocanus in Savukoski, Lapland (Lapland, Finland).
context_page_description: This is a list of the mammal species recorded in Japan. There are 153 mammal species in Japan, of which three are critically endangered, twenty-two are endangered, thirteen are vulnerable, and two are near threatened. One of the species listed for Japan is considered to be extinct.
  The following tags are used to highlight each species' conservation status as assessed by the International Union for Conservation of Nature:
  Some species were assessed using an earlier set of criteria. Species assessed using this system have the following instead of near threatened and least concern categories:
context_section_description: Rodents make up the largest order of mammals, with over 40% of mammalian species. They have two incisors in the upper and lower jaw which grow continually and must be kept short by gnawing. Most rodents are small though the capybara can weigh up to 45 kg (99 lb).
  Suborder: Sciurognathi
  Family: Sciuridae (squirrels)
  Subfamily: Sciurinae
  Tribe: Sciurini
  Genus: Sciurus
  Japanese squirrel, Sciurus lis LR/lc
  Red squirrel, Sciurus vulgaris NT
  Tribe: Pteromyini
  Genus: Petaurista
  Japanese giant flying squirrel, Petaurista leucogenys LR/lc
  Genus: Pteromys
  Japanese dwarf flying squirrel, Pteromys momonga LR/lc
  Siberian flying squirrel, Pteromys volans LR/nt
  Subfamily: Xerinae
  Tribe: Marmotini
  Genus: Tamias
  Siberian chipmunk, Tamias sibiricus LR/lc
  Family: Gliridae (dormice)
  Subfamily: Glirinae
  Genus: Glirulus
  Japanese dormouse, Glirulus japonicus EN
  Family: Cricetidae
  Subfamily: Arvicolinae
  Genus: Clethrionomys
  Hokkaido red-backed vole, Clethrionomys rex LR/nt
  Grey red-backed vole, Clethrionomys rufocanus LR/lc
  Northern red-backed vole, Clethrionomys rutilus LR/lc
  Shikotan vole, Clethrionomys sikotanensis LR/nt
  Genus: Microtus
  Japanese grass vole, Microtus montebelli LR/lc
  Genus: Myodes
  Japanese red-backed vole, Myodes andersoni VU
  Smith's vole, Myodes smithii LR/lc
  Family: Muridae (mice, rats, gerbils, etc.)
  Subfamily: Murinae
  Genus: Apodemus
  Small Japanese field mouse, Apodemus argenteus LR/lc
  Korean field mouse, Apodemus peninsulae LR/lc
  Large Japanese field mouse, Apodemus speciosus LR/lc
  Genus: Diplothrix
  Ryukyu long-tailed giant rat, Diplothrix legata EN
  Genus: Micromys
  Harvest mouse, Micromys minutus LR/nt
  Genus: Mus
  Ryukyu mouse, Mus caroli LR/lc
  Genus: Rattus
  Tanezumi rat, Rattus tanezumi LR/lc
  Genus: Tokudaia
  Muennink's spiny rat, Tokudaia muenninki CR
  Ryukyu spiny rat, Tokudaia osimensis EN
caption: Grey red-backed vole
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