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Arca

Common raccoon dog

Nyctereutes procyonoides

Conservation status IUCN: Least concern· LC
Common raccoon dog (Nyctereutes procyonoides)
Photograph from Wikimedia Commons · Wikipedia article (it)

Where the name comes from

Nyctereutes is Greek and means “night hunter”, from nýx, “night”, and ereutḗs, “one who searches”. Procyonoides means “raccoon-like”, for the dark mask over the eyes: a canid bearing the name of an American carnivore it is not related to. In Japan it is the tanuki, a folklore figure able to shape-shift, and its terracotta statues stand outside houses to bring luck.

Facts

Group
Mammals · Mammalia
Order
Carnivores
Habitat
Damp woodland, reedbeds, river and lake shores
Range
East Asia; introduced to eastern Europe and now spread as far as France and northern Italy
Size
50–70 cm long, 4–10 kg
Diet
Omnivore — amphibians, rodents, insects, fruit, carrion
Lifespan
7–8 years

Characteristics

  • 01

    It is the only canid in the world that hibernates, or rather enters winter torpor.

  • 02

    It neither barks nor howls: it gives out whimpers and mews, and so goes almost unnoticed.

  • 03

    In autumn it lays down fat until it has doubled its own weight.

What sets it apart

It did not reach Europe by itself: between the 1920s and the 1950s the Soviet Union released over nine thousand animals in the European part of the country, to create a fur resource to be hunted in the wild. The operation succeeded all too well — the animal has spread west across half a continent, and is now on the European list of invasive species of Union concern. It is the rare case in which the year, the number and the exact motive of a biological invasion are known: it is all in the archives.

Next species

Ethiopian wolf

Canis simensis