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|South American Rumpless}} | country = Chile | distribution =world-wide | standard = | use = | nickname = | apa = All other breeds | aba = | ee = | pcgb = Soft Feather: Light〔(Breed Classification ). Poultry Club of Great Britain. Accessed August 2014.〕 | aps = light breed softfeather | maleweight = | femaleweight = | skincolor = white | eggcolor = blue or green〔Victoria Roberts (2008). (British poultry standards: complete specifications and judging points of all standardized breeds and varieties of poultry as compiled by the specialist breed clubs and recognised by the Poultry Club of Great Britain ). Oxford: Blackwell. 〕 | comb = pea〔 | note = | type = Chicken | latin = Gallus gallus domesticus }} The Araucana or (スペイン語:'Gallina Mapuche') is a breed of chicken originating in Chile. It is well known for its blue eggs, which has been a subject of controversy regarding whether or not the breed was developed from birds that arrived pre or post Columbian. The egg colour is caused by a DNA retrovirus that occurred sometime early in domestication.〔http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0071393〕 In the United States it may be known as the South American Rumpless, and may be confused with other fowl, especially the Ameraucana and Easter Egger. ==Tailed vs Rumpless== A major difference in international perception of the Araucana breed is the existence of a tail. The exact physical description of the bird varies, with the North American varieties being rumpless and without a tailbone, the British standards accepting both tailed and rumpless〔http://www.araucana.org.uk/breed_standards.html〕 and the Australian standard accepting only tailed.〔Australian Poultry Standards, 2nd Edition 2012〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Araucana」の詳細全文を読む スポンサード リンク
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