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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Japanese river otter ： ウィキペディア英語版 Japanese river otter The is an extinct variety of otter formerly widespread in Japan. Dating back to the 1880s, it was even seen in Tokyo. The population suddenly shrank in the 1930s, and the mammal nearly vanished. Since then, it has only been spotted several times, in 1964 in the Seto Inland Sea, and in the Uwa Sea in 1972 and 1973. The last official sighting of one was in the southern part of Kochi Prefecture in 1979, when it was photographed in the mouth of the Shinjo River in Susaki. It was subsequently classified as a "Critically Endangered" species on the Japanese Red List.〔(【引用サイトリンク】 url=http://www.biodic.go.jp/english/rdb/red_mammals.txt )〕 On August 28, 2012, the Japanese river otter was officially declared extinct by the Ministry of the Environment.〔Kyodo News, "(Japanese river otter declared extinct )", ''The Japan Times'', August 29, 2012, p. 1〕 On January 10, 2013, dozens of eyewitnesses reported seeing them in Aichi Prefecture. It is the official animal symbol of Ehime Prefecture. == Physical characteristics == Fully grown, a Japanese otter was between 65 and 80 cm (25–31 in) long, with a tail measuring 45 to 50 cm (17 to 20 in). It had a thick, lush coat of dark brown fur with short webbed feet. In addition the river otter has two types/sets of fur. Data has shown that the river otter would shed their under fur fully from May to August. After the shedding of the under fur, the otter shed their guard hair from August to November. This allowed them to adjust to the seasons changing. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Japanese river otter」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.