Meles anakuma (*)
Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
Cladus: Therapsida
Cladus: Theriodontia
Cladus: Cynodontia
Cladus: Eucynodontia
Cladus: Probainognathia
Cladus: Prozostrodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohors: Theria
Cohors: Eutheria
Infraclassis: Placentalia
Cladus: Boreoeutheria
Superordo: Laurasiatheria
Cladus: Scrotifera
Cladus: Ferungulata
Cladus: Ferae
Cladus: Pancarnivora
Cladus: Carnivoramorpha
Cladus: Carnivoraformes
Ordo: Carnivora
Subordo: Caniformia
Infraordo: Arctoidea
Superfamilia: Musteloidea
Familia: Mustelidae
Subfamilia: Melinae
Genus: Meles
Species: Meles anakuma
Name
Meles anakuma Temminck, 1844
Type locality: "Environs of Nagasaki et d’Awa", [Japan].
Synonyms
Meles meles anakuma Temminck, 1844
References
Temminck, C. J. 1844. Fauna Japon., Mamm., 30: pl. 6.
Meles anakuma in Mammal Species of the World.
Wilson, Don E. & Reeder, DeeAnn M. (Editors) 2005. Mammal Species of the World – A Taxonomic and Geographic Reference. Third edition. ISBN 0-8018-8221-4.
IUCN: Meles anakuma Temminck, 1844 (Least Concern)
Meles anakuma Temminck, 1844 – Taxon details on Integrated Taxonomic Information System (ITIS).
Vernacular names
bosanski: Japanski jazavac
Deutsch: Japanischer Dachs
English: Japanese Badger
español: Tejón Japonés
日本語: ニホンアナグマ
Nederlands: Japanse das
svenska: Japansk grävling
The Japanese badger (Meles anakuma) is a species of carnivoran of the family Mustelidae, the weasels and their kin. Endemic to Japan, it is found on Honshu, Kyushu, Shikoku,[2] and Shōdoshima.[1] It shares the genus Meles with its close relatives, the European (M. meles) and Asian (M. leucurus) badgers. In Japan, it is called by the name anaguma (穴熊) meaning "hole-bear", or mujina (むじな, 狢).
Description
Comparative illustration of European badger (top), Asian badger (centre) and Japanese badger (bottom)
Japanese badgers are generally smaller (average length 79 cm (31 in) in males, 72 cm (28 in) in females) and less sexually dimorphic (except in the size of the canine teeth) than their European counterparts.[1][3] Tail length is between 14 and 20 cm (5.5 and 7.9 in). This species is similar or mildly larger than the Asian badger. Adults usually weigh from 3.8 to 11 kg (8.4 to 24.3 lb).[4][5] The average weight of female Japanese badgers in one study from the Tokyo area was found to be 6.6 kg (15 lb) while that of males was 7.76 kg (17.1 lb).[6] In Yamaguchi Prefecture, the average spring weight of female and male Japanese badgers was 4.4 kg (9.7 lb) and 5.7 kg (13 lb).[7] The torso is blunt and limbs are short. The front feet are equipped with powerful digging claws. The claws on the hind feet are smaller. The outer coat has long gray-brown hair. Ventral hair is short and black. The face has characteristic black-white stripes that are not as distinct as in the European badger. The dark color is concentrated around the eyes. The skull is smaller than the European badger.[1]
Origin
The absence of badgers from Hokkaido, and the presence of related M. leucurus in Korea, suggest that the ancestral badgers reached Japan from the southwest via Korea.[1] Genetic studies indicate that there are substantial differences between Japanese and Asian badgers, which were formerly considered conspecific, and that the Japanese badgers are genetically more homogenous.[1]
Habits
Like other members of Meles, Japanese badgers are nocturnal and hibernate during the coldest months of the year.[1] Beginning at 2 years of age, females mate and give birth to litters of two or three cubs in the spring (March–April). They mate again shortly afterwards, but delay implantation until the following February.[1] Japanese badgers are more solitary than European badgers; they do not aggregate into social clans, and mates do not form pair bonds. During mating season, the range of a male badger overlaps with those of 2 to 3 females.[1] Badgers with overlapping ranges may communicate by scent marking.[1]
Habitats
These badgers are found in a variety of woodland and forest habitats.[1]
Folklore
In Japanese mythology, badgers are shapeshifters known as mujina. In the Nihon Shoki, mujina were known to sing and shapeshift into other humans.
Diet
Similar to other badgers, the Japanese badger's diet is omnivorous; it includes earthworms, beetles, berries and persimmons.[1] The Japanese badger's diet varies depending on seasonal availability. Based on fecal analysis, studies have shown that earthworm consumption is highest in the warmer seasons, coupled with berries, persimmons, and small insects in the summer months. When earthworms are less abundant in cooler months, the Japanese badger consumes more wild berries, like Rubus palmatus and Rubus hirsutus, while consuming the most persimmons during the fruit's peak availability in the fall season.[8]
Threats
Although it remains common, the range of M. anakuma has shrunk recently.[1] Covering an estimated 29 per cent of the country in 2003, the area had decreased 7 per cent over the previous 25 years.[1] Increased land development and agriculture, as well as competition from introduced raccoons are threats. Hunting is legal but has declined sharply since the 1970s.[1]
In 2017, concern was raised by an upsurge in badger culling in Kyushu. Apparently encouraged by local government bounties and increased popularity of badger meat in Japanese restaurants, it is feared the culling may have reached an unsustainable level.[9][10]
See also
Mujina, a badger creature from Japanese folklore
Blakiston's Line, the faunal boundary line drawn between Hokkaidō in the north and Honshū, south of it, while certain animal species can only be found north of the line, certain other species can only be found south of it.
References
Kaneko, Y.; Masuda, R.; Abramov, A.V. (2016). "Meles anakuma". IUCN Red List of Threatened Species. 2016: e.T136242A45221049. doi:10.2305/IUCN.UK.2016-1.RLTS.T136242A45221049.en. Retrieved 19 November 2021.
Wozencraft, W. C. (2005). "Order Carnivora". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 611. ISBN 978-0-8018-8221-0. OCLC 62265494.
Kaneko, Y., Maruyama, N. and Kanzaki, N. 1996. Growth and seasonal changes in body weight and size of Japanese badger in Hinodecho, suburb of Tokyo. Journal of Wildlife Research 1: 42-46.
Tanaka, H. (2006). Winter hibernation and body temperature fluctuation in the Japanese badger, Meles meles anakuma. Zoological science, 23(11), 991-997.
Yoshimura, K., Shindo, J., & Kageyama, I. (2009). Light and scanning electron microscopic study on the tongue and lingual papillae of the Japanese badgers, Meles meles anakuma. Okajimas folia anatomica Japonica, 85(4), 119-127.
Kaneko, Y., & Maruyama, N. (2005). Changes in Japanese badger (Meles meles anakuma) body weight and condition caused by the provision of food by local people in a Tokyo suburb. Mammalian Sci, 45, 157-164.
Tanaka, H. 2002. Ecology and Social System of the Japanese badger, Meles meles anakuma (Carnivora; Mustelidae) in Yamaguchi, Japan. Ph.D Thesis, Yamaguchi University.
Kaneko, Y.; Maruyama, N.; Macdonald, D. W. (September 2006). "Food habits and habitat selection of suburban badgers (Meles meles) in Japan". Journal of Zoology. 270 (1): 78–89. doi:10.1111/j.1469-7998.2006.00063.x. ISSN 0952-8369.
Hornyak, T. (2017-06-09). "Ecologists warn of Japanese badger cull 'crisis'". Nature. doi:10.1038/nature.2017.22131.
Kaneko, Y.i; Buesching, C. D.; Newman, C. (2017-04-13). "Japan: Unjustified killing of badgers in Kyushu". Nature. 544 (7649): 161. Bibcode:2017Natur.544..161K. doi:10.1038/544161a. PMID 28406210.
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