The Pallas' Sand Grouse is generally considered to be a typical winter bird in Jilin province.
毛腿沙鸡Syrrhoptesparadoxus(Pallas)在吉林省一直被认为是典型的冬候鸟。
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BBC新闻–尽管朝鲜对大多数外国游客闭关锁国,但颇有讽刺意味的是,它或许成了东亚–大洋洲这条世界最重要的国际候鸟迁徙路线的救星。
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To conserve energy, migratory birds prefer tailwinds, and are willing to wait for good weather.
为了保存体力,候鸟喜欢顺风迁徙,并且愿意为迁徙等待好天气。
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Spring is like temporarily resting migratory birds, suddenly away, with nothing left.
春天像短暂停驻的候鸟, 突然飞走了, 什么也不留下.
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The region, which has several large lakes, is known to lie along migratory routes.
这个地区, 有几个大型湖泊, 位于候鸟的迁徙路径中.
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具有这种磁场罗盘,对候鸟来说当然非常有用,因为如果乌云遮日,它可以以磁场为向导继续飞行,否则它就只好着陆,等待太阳重新出现。
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You know that under the Migratory Bird Treaty it's against federal law a curved-bill thrasher.
你们应该知道,根据候鸟条约,收容矢嘲鸫是违反联邦法律的.
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Survey of bird malaria infection for partly migrant and resident birds in Danli, Yunnan Province
云南部分候鸟和留鸟疟原虫感染情况的调查
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许多候鸟每年在繁殖地和非繁殖地(越冬地)之间进行数千甚至上万公里的长距离迁徙.
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