鸟迹，是汉语词汇，出自《孟子·滕文公上》，解释为鸟飞空中，了无痕迹，比喻物无实体。
这颗“隼鸟号”探测器拖着壮观的火焰尾迹以极快的速度到达地面，结束了一段2003年开始、以近地小行星“系川”为目标的旅程。
The Hayabusa probe blazed a spectacular trail as it came in to hit the ground at a blistering speed, ending a journey to the near-Earth asteroid Itokawa that began in 2003.
“鸟归沙有迹，帆过浪无痕。”我的沙滩留着你的倩影，你的浪花里有没有我的叹息？
"Birds are owned by sand track, will sail past the waves no trace." my beach Retention of your shadows, your surf there without my sigh?
那种已尽迹的珍异的鸟的羽毛中含锌。
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