VOA高级听力-美国西海岸将加大对入侵猫头鹰的捕杀力度
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听力原文及翻译
U.S. wildlife officials beginning next year will drastically scale up efforts to kill invasive barred owls that are crowding out imperiled native owls from West Coast forests. The plan finalized Wednesday faces challenges from barred owls returning after they've already been removed.
从明年开始，美国野生动物官员将大幅加大力度，扑杀入侵的横斑猫头鹰，因为这些猫头鹰正在挤占西海岸森林中濒临灭绝的本土猫头鹰。周三最终确定的计划面临着横斑猫头鹰被驱赶后卷土重来的挑战。
Trained shooters will target barred owls over 30 years across a maximum of about 23,000 square miles (60,000 square kilometers) in California, Oregon and Washington. The U.S. Fish and Wildlife Service goal is to kill up to 452,000 barred owls and halt the decline of competing northern spotted owls and California spotted owls.
训练有素的射手将在30年内，在加利福尼亚州、俄勒冈州和华盛顿州最多约23,000平方英里（60,000 平方公里）的范围内瞄准横斑猫头鹰。美国鱼类和野生动物管理局的目标是扑杀多达452,000只横斑猫头鹰，并阻止北方斑点猫头鹰和加利福尼亚斑点猫头鹰的衰退。
Killing one bird species to save others has divided wildlife advocates and is reminiscent of past government efforts to save West Coast salmon by killing sea lions and cormorants, and to preserve warblers by killing cowbirds that lay eggs in warbler nests. The barred owl removals would be among the largest such effort to date involving birds of prey, researchers and wildlife advocates said.
杀死一种鸟类以拯救其他鸟类，这让野生动物保护者产生了分歧，这让人想起过去政府通过杀死海狮和鸬鹚来拯救西海岸鲑鱼，以及通过杀死在莺巢中产卵的牛鹂来保护莺的努力。研究人员和野生动物保护人士表示，此次横斑猫头鹰的清除行动将是迄今为止针对猛禽的最大规模行动之一。
Native to eastern North America, barred owls started appearing in the Pacific Northwest in the 1970s. They've quickly displaced many spotted owls, which are smaller birds that need larger territories. An estimated 100,000 barred owls now live within a range that contains only about 7,100 spotted owls, according to federal officials.
横斑猫头鹰原产于北美东部，于 20 世纪 70 年代开始出现在太平洋西北部。它们迅速取代了许多斑点猫头鹰，斑点猫头鹰体型较小，需要更大的领地。据联邦官员称，目前约有 10 万只横斑猫头鹰生活在仅约 7,100 只斑点猫头鹰的范围内。
The newcomers' arrival also threatens to decimate frog and salamander species that barred owls prey on.
新来者的到来还威胁到横斑猫头鹰捕食的青蛙和蝾螈物种的灭绝。
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