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。

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While Israeli scientists say the bird was part of a migration study, local residents told the Saudi media that it was most likely part of a "Zionist plot."

虽然以色列科学家称这只鸟是鸟类迁徙研究的一部分，但当地居民告诉沙特媒体，它很可能是“犹太复国主义者阴谋”的一部分。

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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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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