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1·Some residents voiced concern that the rice could threaten certain species of rare migratory birds.

一些居民担心这种大米会威胁到某些稀有候鸟的生存。

2·To test the idea, caged night-migrating birds were placed on the floor of a planetarium during their migratory period.

为了验证这个想法，这些在夜晚迁徙的候鸟被关进笼子里，并且在它们的迁徙期间被放置在一个天文馆的地面上。

3·He noticed that as they fluttered around in the cage, they often launched themselves in the direction of their normal migratory route.

他注意到，当它们在笼子里到处飞的时候，通常会朝着常规的迁徙路线的方向。

4·Early in his research, Kramer found that caged migratory birds became very restless at about the time they would normally have begun migration in the wild.

在克雷默早期的研究中，他发现被关在笼中的候鸟在它们通常开始在迁徙的大致时间会变得非常不安。

5·They are important and necessary feeding and breeding grounds for migratory birds.

他们是候鸟必不可少的觅食和繁殖地，十分重要。

6·In 1934, with the passage of the Migratory Bird Hunting Stamp Act (Act), an increasingly concerned nation took firm action to stop the destruction of migratory waterfowl and the wetlands so vital to their survival.

1934年，随着《候鸟狩猎印花税法案》的通过，为阻止对迁徙的水禽以及对水禽生存至关重要的湿地的破坏，一个日益感到担忧的国家（指美国）采取了坚决的行动。

7·About 98 cents of every duck stamp dollar goes directly into the Migratory Bird Conservation Fund to purchase wetlands and wildlife habitat for inclusion into the National Wildlife Refuge System—a fact that ensures this land will be protected and available for all generations to come.

每1美元的鸭票中约有98美分直接转入候鸟保护基金，用于购买湿地和野生动物栖息地，将其纳入国家野生动物保护区系统——这一做法使得土地受到长久的保护。

8·The differences in feeding preferences lead, in turn, to differences in migratory habits.

摄食偏好的差异，又导致了迁徙习惯的不同。

9·Any of migratory songbirds of the family Turdidae usually have brownish upper plumage.

任何一种鸫科迁徒鸟类的上部羽毛通常为褐色。

10·Can migratory birds carry H5N1 over long distances?

候鸟会长距离携带H5N1型禽流感病毒吗？

迁移的

1·We are seeing some of the early migratory pressures, the early signs which are not caused by climate change but are exacerbated by it, and that is something we are starting to see.

我们看到了一些早期迁移的压力，这些信号并非由气候变化导致，却因之恶化。这是我们开始看到的东西。

2·The livestock on the green side was managed in a way designed to mimic the great migratory herds of Africa.

在草木葱翠的一边，人们模仿非洲草原上动物的迁移的模式对牲口进行管理。

3·Its population was decimated in the past century by commercialfishing and dams that sealed off its migratory spawning routes.

在上个世纪，由于商业捕鱼的原因，再加上人类密封水坝堵住了鲟鱼的迁移产卵路线。

4·They discovered three migratory routes - including one 4,699 mile journey straight across the Atlantic from Gabon to the coastal waters off southern Brazil and Uruguay that took 150 days.

它们发现了三个迁移途径——其中的一种是一个长达4,699英里的直线横跨大西洋之旅，这个旅程从加蓬到巴西南部的沿海水域和乌拉圭，历时150天。

5·After tumor cell destruction, they became actively migratory, hunting for more tumor cells.

在破坏肿瘤细胞后，它们又积极迁移，捕获更多的肿瘤细胞。

迁徙的

1·He noticed that as they fluttered around in the cage, they often launched themselves in the direction of their normal migratory route.

他注意到，当它们在笼子里到处飞的时候，通常会朝着常规的迁徙路线的方向。

2·The differences in feeding preferences lead, in turn, to differences in migratory habits.

摄食偏好的差异，又导致了迁徙习惯的不同。

3·As with other migratory birds that fly long distances, it's unclear how great snipes can apparently fly for such long periods with little or no sleep.

和其它迁徙鸟类一样，沙锥鸟需要飞行很长的距离，但是它们如何在如此长距离的飞行中不睡觉或者只睡很少的觉，原因尚不明确。

4·Migratory birds that pass through the Arctic have decreased an average of 6 percent, although that number is skewed by a dramatic increase in some populations of migratory geese.

经过北极地区的候鸟数量平均下降了6%，尽管“急剧增加”的某些迁徙大雁种群使这个数据有所偏差。

5·Swans on their autumnal migratory flight—the celestial flutter of wings, the silver arrow of a flock splitting the sky—evoke poetic melancholy. Shadows lengthen. Days shorten. Another year closes in.

在秋天的迁徙飞行中，天鹅们化身为长着翅膀的飞仙，似银箭一般刺破蓝天，此情此景不免会勾起诗意愁绪来：光阴渐长，时日变短，又是一年将来到。

流浪的

1·She took good care of the dog. the dog grew up well, with shining fur, pretty. every friend said her dog was adorable. nobody believed that it was ever a migratory dog.

她把狗照顾得很好。狗健康成长，毛色光亮，活泼俏皮，每个朋友都说她的狗很可爱，没有人相信它曾经是一头流浪狗。

(1)migratory bird候鸟