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Santa Cruz sheep
Santa Cruz sheep are an extremely rare breed of domestic sheep that once existed as a feral population on the Santa Cruz Island of the Channel Islands of California. Small and hardy, the sheep were all killed or removed from the island to prevent destruction of natural habitats. Today, they number fewer than 200 animals. This breed is primarily raised for wool.〔
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==History==
In the mid-19th century, sheep that were most likely of the Merino, Rambouillet (French Merino), or Churro breed were brought to Santa Cruz Island. By the 1860s thousands of sheep grazed freely on the island. Throughout the 20th century, ranching declined on the island and most of the sheep became feral. In 1978, The Nature Conservancy gained control of the island; sheep numbers around this time were estimated to be over 20,000. Later, the Nature Conservancy and the National Park Service began to kill or remove all sheep remaining in order to prevent overgrazing of the island's vegetation.〔(【引用サイトリンク】 title=Santa Cruz Sheep )〕 Today, the breed has fewer than 200 animals remaining, and is considered "critical" by the American Livestock Breeds Conservancy.〔 A small population of the sheep exists on the mainland, and were largely placed through adoption.〔
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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