https://www.science.org/doi/10.1126/science.ady2486
Phys.org – 28 May 26
Pigeons navigate using magnetic sensors in their livers, say researchers
How pigeons fly hundreds of kilometers and still find their way home has long fascinated people. Now, researchers say a surprising answer may be hidden, not in the brain or eyes of birds, but in the liver.
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发表在《科学》杂志上的一项研究表明，鸽子肝脏中的特殊细胞能够感知地球磁场，从而为鸽子提供了一个体内指南针。
这种被称为 "巨噬细胞 "的特殊细胞是一种免疫细胞，能分解老旧的红细胞。在这一过程中，它们会积累铁元素，使其具有量子特性，从而能够对磁场做出反应。研究结果表明，如果没有这些完整的细胞，鸽子就无法导航回家。
ABC News
Pigeons may be navigating with their liver, study suggests
A study details a surprising new way into how pigeons find their way home
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