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      Osteological and genetic analysis of the extinct Ezo wolf (Canis lupus hattai) from Hokkaido Island, Japan.

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          Abstract

          The Ezo wolf (Canis lupus hattai Kishida, 1931 ) is an extinct subspecies that inhabited Hokkaido in Japan until the middle of the Meiji Period. Because there are very few preserved skeletons, no osteological and/or genetic analyses of the Ezo wolf have been conducted. In this study, 20 cranial and eight mandibular characters were measured on Ezo wolf skeletons, and mitochondrial DNA (mtDNA) was analyzed to assess genetic relationships between the Ezo wolf and other wolf lineages, including the Japanese wolf on Honshu. The morphological study showed that the Ezo wolf is larger than the Japanese wolf and similar in size to the grey wolf of the Asian and American Continents. MtDNA control sequences (751 bp) from two Ezo wolves were identical to those from the Canadian grey wolf. The morphological and genetic characters indicate that the ancestor of the Ezo wolf was genetically related to that of the grey wolf in Canada.

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          Author and article information

          Journal
          Zool. Sci.
          Zoological science
          0289-0003
          0289-0003
          Apr 2010
          : 27
          : 4
          Affiliations
          [1 ] Laboratory of Food and Environmental Hygiene, Veterinary Medicine, Faculty of Applied and Biological Sciences, Gifu University, Gifu 501-1193, Japan. ishiguna@gifu-u.ac.jp
          Article
          10.2108/zsj.27.320
          20377350
          568b9eef-71b3-4fc2-8fed-755bff63139b
          History

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