The Ezo red fox (Vulpes vulpes schrencki ) is a subspecies of red fox widely distributed in Hokkaido, Sakhalin, the Kuril Islands and the surrounding islands of Japan. The Ezo red fox's formal name, Kitakitsune (北狐), was given to the subspecies by Kyukichi Kishida when he studied them in Sakhalin in 1924.
Ezo is a Japanese word meaning "foreigner" and referred to the historical lands of the Ainu people to the north of Honshu, which the Japanese named Ezo-chi. In the Ainu languages it is known as cironnup, sumari, kimotpe or hurep.
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CarnivoreA carnivore meaning 'meat eater' is an organism that derives its energy and nutrient requirements from a diet consisting mainly or exclusively of a...
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ViviparousAmong animals, viviparity is the development of the embryo inside the body of the parent. The term 'viviparity' and its adjective form 'viviparous'...
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starts withThe Ezo red fox is somewhat larger than the Japanese red fox found in Honshu, Shikoku and Kyushu, and the outer part of the ear and the limbs are black. There are many similarities with continental red foxes.
The Ezo red fox has 42 teeth: 6 incisors, 2 canine teeth, 8 premolar, 4 upper molar and 6 lower molars. Ezo foxes normally have eight nipples: a pair on the chest; two pairs in the abdomen; and one pair in the groin. Individual cases of seven to ten nipples are known. There are five digits on each forelimb and four on the back-leg, a total of 18.
They mainly eat rats, mountain hares, birds and insects. They also eat fruit and nuts in autumn. In tourist spots and in some urban areas there are individuals who feed on the street. They have also been observed feeding on the placenta of cattle in pastures or at disposal facilities.
They dig holes or tunnels to make their lairs. The females give birth to kits in the early spring, which are grown and independent by late autumn. Males act independently and do not contribute to the raising of offspring.
