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。
When a banded bird is recaptured and reported, we learn about its migration route, its growth, and how long it has been alive, its lifespan.
当一只被戴了标记环的鸟被重新捕获时，我们就能从报告中了解其迁徙路线、生长情况以及存活时间、寿命。
As birders observe new species, they not only learn about different birds, but they also learn about migration, bird behavior, feed preferences, courtship and bird territories.
观鸟者观察各种新的物种，从中他们不止能认识不同的鸟种，还能学到关于迁徙、鸟类行为学、食性、求爱还有鸟类领地的知识。
Bird banding is one of the important means to research the seasonal migration of birds, and is an effective method in researching the faunas, ecology and morphology of birds.
环志是研究鸟类季节性迁徙的重要手段之一，同时也是研究鸟类区系、生态学、形态分类学等的有效方法。
Bird banding is one of the important means to research the seasonal migration of birds, and is an effective method in researching the faunas, ecology and morphology of birds.
环志是研究鸟类季节性迁徙的重要手段之一，同时也是研究鸟类区系、生态学、形态分类学等的有效方法。
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