The Prophet ﷺ came to visit me (while I was sick) and he was riding neither a mule, nor a horse. (Using translation from Bukhārī 5664)  

«جَاءَنِي رَسُولُ اللهِ ﷺ يَعُودُنِي لَيْسَ بِرَاكِبٍ بَغْلًا وَلَا بِرْذَوْنًا»