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spitz
Spitz are a type of dog characterized by long, thick, and often white fur, and pointed ears and muzzles. The tail often curls over the dog's back or droops.
==Origins==
The exact origins of spitz-type dogs are not known, though most of the spitz-types seen today originate from the Arctic region or Siberia.〔http://www.woofahs.com/dog_breeds/spitz_dog_breeds.html〕 The type was described as ''Canis pomeranus'' by Johann Friedrich Gmelin in his revision of Systema naturae in 1788 (printed in English in 1792.)〔Linnaeus, C. (translated and revised by R. Kerr). 1792. The Animal Kingdom; or, zoological system of the celebrated Sir Charles Linnaeus. Class I. Mammalia and Class II. Birds. Being a translation of that part of the Systema Naturae, as lately published with great improvements by Professor Gmelin, together with numerous additions from more recent zoological writers and illustrated with copperplates. J. Murray, London, 644 pp.〕
There is no archaeological evidence showing transition stages between the wolf and the often-similar spitz-type dogs. Skeletal remains up to 5,000 years old suggest it is far more likely that the ancestors of spitz types mated with wolves. In recent genetic testing of dog breeds, many spitz-types were found to be in the group closest to wolves, presumed to be the oldest types of dogs.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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