Surah Taha, ayah 20

فَأَلۡقَىٰهَا فَإِذَا هِيَ حَيَّةٞ تَسۡعَىٰ ٢٠

Fa alqāhā fa idhā hiya hayyatun tas'ā

So he threw it down, and thereupon it was a snake, moving swiftly.