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Yezo sika deer

Yezo sika deer
A young Yezo sika stag near Wakkanai, Hokkaido.
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Family: Cervidae
Subfamily: Cervinae
Genus: Cervus
C. n. yesoensis
Trinomial name
Cervus nippon yesoensis
Heude, 1884

The Yezo sika deer (Cervus nippon yesoensis,[1][2] Japanese: エゾシカ / 蝦夷鹿 yezoshika,[3] Ainu: ユ yuk[4][5]) is one of the many subspecies of the sika deer. The sika that inhabit the island of Hokkaido are indigenous, although it is not known whether they originated there or migrated from the main island of Japan. Is it thought they may have traveled across the strait between the islands. Genetic study has shown that the separation of the sika population occurred less than half a million years ago.[6] It is possible that northern sika deer may be more closely related to yezo sika deer than to other sika deer.[7] The indigenous Ainu people of Hokkaido have hunted them for centuries and relied on them as a major food source.

The Hokkaido sika one is the largest of the sika species with large stags approaching and sometimes exceeding 200 kg in the fall.[8] They also sport the largest antlers with lengths often over 35 inches with the longest recorded specimen being 44 inches. By SCI measurement the Hokkaido sika produces the highest scores, although very few have been listed.


  1. ^ Pierre Marie Heude, 1884. Catalogue des cerfs tachetés (sikas) du Musée de Zi-ka-wei, ou notes préparatoires à la monographie de ce group. Mémoires concernant l'Histoire Naturelle de l'Empire Chinois 1:1–12.
  2. ^ "Taxonomy browser (Cervus nippon yesoensis)".
  3. ^ WWWJDIC
  4. ^ Bunrui Ainugo Jiten Note: according to this, it originally referred to all important game.
  5. ^ An Ainu-English-Japanese dictionary (including a grammar of the Ainu language) Note: this doesn't specify the subspecies.
  6. ^ Nagata, Junko; Masuda, Ryuichi; Tamate, Hidetoshi B.; Hamasaki, Shin-ichiro; Ochiai, Keiji; Asada, Masahiko; Tatsuzawa, Shirow; Suda, Kazuki; Tado, Hiroyuki; Yoshida, Michihiro C. (December 1999). "Two Genetically Distinct Lineages of the Sika Deer, Cervus nippon, in Japanese Islands: Comparison of Mitochondrial D-Loop Region Sequences". Molecular Phylogenetics and Evolution. 13 (3): 511–519. doi:10.1006/mpev.1999.0668. PMID 10620409.
  7. ^ Tamate, H. B.; Tsuchiya, T. (May 1995). "Mitochondrial DNA Polymorphism in Subspecies of the Japanese Sika Deer, Cervus nippon". Journal of Heredity. 86 (3): 211–215. doi:10.1093/oxfordjournals.jhered.a111564. PMID 7608513.
  8. ^ Sika Deer: Biology and Management of Native and Introduced Populations. Springer Science & Business Media. 2008. p. 28 – via Google Books.

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