Japanese weasel

Common card · No. 482838

The Japanese weasel (Mustela itatsi) is a carnivorous mammal belonging to the genus Mustela in the family Mustelidae. The most closely related Mustela species is the Siberian weasel (Mustela sibirica). Its taxonomic species name, itatsi, is based on the Japanese word for weasel, itachi (イタチ). It is native to Japan where it occurs on the islands of Honshū, Kyūshū and Shikoku. It has been introduced to Hokkaidō and the Ryukyu Islands to control rodents and has also been introduced to Sakhalin Island in Russia. It has an orange-brown coloured fur coat with darker markings on the head and varies in size depending on its gender. They have a long slender body, a long tail, relatively short legs and sharp claws. It is often confused with the Siberian weasel which has a different ratio of tail to head and body length. Unlike other species of weasels, their coat does not change colour in winter. Average lifespan of a Japanese weasel is highly dependent on the availability of food and to a lesser...

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