每年春、秋两季，世界上都有几十亿只候鸟跨越多国边界，进行长距离的迁徙，这已成了自然界中最引人注目的生物学现象之一。随着人们对这一现象的不断探索、研究，鸟类环志成了科学家研究鸟类迁徙规律的一种简便易行而又行之有效的方法。所谓鸟类环志，是指将国际通行的、印有 Every spring and autumn, there are billions of migratory birds crossing the borders of many countries in the world and carrying out long-distance migration. This has become one of the most remarkable biological phenomena in nature. With the continuous exploration and research on this phenomenon, the bird ringing became a simple and effective method for scientists to study the migration of birds. The so-called bird ringing records refer to internationally accepted and printed