Once I came riding a she-ass and had (just) attained the age of puberty. Allah's Messenger (ﷺ) was offering
the prayer at Mina. There was no wall in front of him and I passed in front of some of the row while
they were offering their prayers. There I let the she-ass loose to graze and entered the row, and nobody
objected to it.
Sahih al-Bukhari Book 3, Hadith 18