Arctic Foxホッキョクギツネ
Vulpes lagopusLC— Least Concern
The Arctic fox is a small, circumpolar canid adapted to some of the coldest environments on Earth, with fur that provides the best insulation of any mammal. It is an opportunistic omnivore, relying heavily on lemmings but also eating seal pups, fish, birds, and berries. Globally listed as Least Concern by the IUCN, though its mainland Scandinavian population is critically endangered with fewer than 200 adults remaining.
Arctic Fox (reference photo)
Species Data
Did You Know?
- The Arctic fox's fur is considered to provide the best insulation of any mammal; its winter coat is nearly twice as thick as its summer coat, keeping its body temperature near 38°C even in extreme cold. Source
- Two genetically distinct color morphs exist — white and blue — and the white morph turns almost entirely white in winter for camouflage against the snow. Source
- In a tracking study, a yearling female traveled 3,506 km from Svalbard to Ellesmere Island in 76 days, averaging over 46 km a day and covering as much as 155 km in a single day. Source
Where to See This Species
2 facilities · 0 individuals
Asahiyama ZooHokkaidoOpened in 1967
旭川市旭山動物園のWikipedia記事に飼育種として記載 Source
釧路市動物園 (Kushiroshi Doubutsuen)HokkaidoJR釧路駅から阿寒バスで約55分、または自動車・タクシー・レンタカーで約27分（18km）。
釧路市動物園のWikipedia記事に飼育種として記載 Source
Conservation Story
Conservation Status
IUCNではLCですが、気候変動は北極圏の生態系に影響します。
Habitat
北極圏のツンドラ、海氷周辺、海岸。
Threats
- 気候変動
- 地域的な個体群減少
- 感染症
Conservation & Breeding Efforts
- 北極圏の環境変化の普及啓発
- 飼育下での生態展示
Sources
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FAQ
- How does the Arctic fox survive extreme cold?
- Its fur provides the best insulation of any mammal — the winter coat is nearly twice as thick as the summer coat, letting it maintain a body temperature around 38°C even in severe cold. Source
- Why do Arctic foxes change color?
- The common white morph molts to an all-white winter coat for camouflage in snow, then to a brownish-gray summer coat; a rarer 'blue' morph stays dark gray-blue year-round. Source
- Are Arctic foxes endangered?
- Globally the species is Least Concern, but the isolated mainland Scandinavian population is critically endangered, with fewer than 200 adults left. Source
Source: ja.wikipedia.org en.wikipedia.org