bird migration

基本解释

Working out bird migration patterns was one of the triumphs of natural history.
找出鸟类迁移规律才是自然学史上无数可嘉可贺的成就之一。
John:We've been able to learn a lot of new things about bird migration, especially about how fast and how far birds move.
我们获取了很多新的信息，特别是鸟的飞行速度和距离。
As the lakes wetlands and wetland vegetation exists, a large number of migratory bird breeding, migration and distribution here, Forming a number of "Bird Island."
由于湖泊、湿地及湿地植被的存在，大量候鸟选择在这里栖息、繁殖、迁徙集散、形成众多“鸟岛”。
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They want to scrape bits of tissue from planes, discover which birds are most often being struck, and thus work out which bird-migration routes to avoid.
ECONOMIST: Taxonomy