古老鹦鹉羽毛揭示横贯安第斯山脉的远古贸易网络
一项最新研究显示，秘鲁一座距今约一千年的墓葬中发现的鹦鹉羽毛，揭示出一条跨越安第斯山脉、早于印加帝国出现的精密活体鸟类贸易网络。相关论文近日发表在《自然·通讯》杂志上。研究团队利用鹦鹉羽毛的DNA分析、原子同位素检测以及空间建模技术，追溯这些羽毛从亚马孙雨林一路辗转至今日秘鲁干旱
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