Arctic fox (Arctic fox)

Japanese: ホッキョクギツネ(北極狐) - ホッキョクギツネ（英語表記）Arctic fox

A fox-like mammal (illustration) that lives in the Arctic and whose winter fur is usually white, belonging to the family Canidae (carnivora). It is famous for being the most cold-resistant mammal with the most lustrous and beautiful fur. Its body shape is similar to that of a fox, but its skull structure and long, slim limbs are similar to those of a dog, so it is thought to be somewhere between the two. Its ears are round. Its body length is 45.8-67.5 cm, its tail length 22.5-42.5 cm, and its weight 1.4-9 kg. There are two types of body color: those whose summer fur is brown and whose winter fur is white, and a few whose winter fur is not white but is dark, ranging from gray to reddish brown or even almost black.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

北極圏にすむ，冬毛がふつう全身白色になるキツネに似た食肉目イヌ科の哺乳類（イラスト）。もっとも耐寒性に優れた，艶のある美しい毛皮をもつ哺乳類として名高い。体軀（たいく）はキツネに似るが，頭骨のつくりと，長く，スマートな四肢はイヌに似ており，両者の中間的な位置にある動物と考えられる。耳は丸い。体長45.8～67.5cm，尾長22.5～42.5cm，体重1.4～9kg。体色には，夏毛が茶色で，冬毛が白色になるものと，少数ではあるが，冬毛が白色にならず灰色から赤褐色，さらにはほとんど黒色の，暗色系のものとの二つのタイプがある。

出典　株式会社平凡社世界大百科事典第２版について　情報

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