EPISODE · Sep 14, 2022 · 7 MIN

观鸟小百科：鸟类的环志

鸟类环志是指世界上用来研究候鸟迁徙动态及其规律的一种重要手段。鸟环由镍铜合金或铝镁合金制成，上面刻有环志的国家、机构、地址（信箱号）和鸟环类型、编号等。

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观鸟小百科：鸟类的环志

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