2. Fifth graders tended to focus on features of individual eagles.
五年级学生倾向于关注老鹰个体的特征。
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3. Bird watchers counted eleven thousand six hundred and ten bald eagles in the country.
观察鸟类的人统计，国内有一万一千六百一十只白头鹰。
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4. They meant absolutely nothing to her, except that they would remind her of goats and eagles.
它们对她毫无意义，只会让她想起山羊和老鹰。
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5. The researchers asked fifth graders and college students to create a recovery plan to protect bald eagles from extinction.
研究人员要求五年级学生和大学生制定一个保护秃鹰免于灭绝的恢复计划。
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6. Two eagles were trying to take a lamb from its mother and were struggling. A third eagle came in to distract the ewe and one of the others got the lamb.
7. The predictable abundance of salmon allowed some native cultures to flourish and dying spawners feed bears, eagles, other animals, and ultimately the soil itself.
9. Some of those small mammals help to sustain such big birds as golden eagles.
其中的一些小型哺乳动物有助于维持金鹰等大型鸟类的生存。
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10. Since then wildlife biologists had reintroduced bald eagles from Canada to America.
从那时起，野生生物生物学家将白头海雕从加拿大重新引入美国。
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11. Fish, soaked up DDT, died, and were washed up on shores, where bald eagles feasted on them.
被DDT浸泡过的鱼死了，被冲上岸边，白头海雕在那里大快朵颐。
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12. Wild pigs attracted golden eagles from the mainland, and those flying predators crashed the fox population.
岛上的野猪引来了大陆的金雕，这些飞行的捕食者们导致岛屿灰狐的数量大幅下降。
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13. Once, more than fifty hundred pairs of bald eagles nested across the country, but by 1960 that number had fallen below four hundred.
曾经有超过五千对白头海雕在全国各地筑巢，但到了1960年这一数字已降至四百以下。
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14. A decade ago, this island's ecosystem was in chaos. Wild pigs attracted golden eagles from the mainland, and those flying predators crashed the fox population.
