Parashas Mishpatim · Passuk 23:5
Chabad.org — English translation + Rashi
Torah Temimah points to Bava Kama 54b (verified).
Sefaria — Exodus 23:5
Sefaria — Bava Kama 54b
E-Daf — Bava Kama 54b
English: The obligation of unloading applies to a donkey and likewise to every animal and bird, derived by the comparison of “donkey” here with the “donkey” mentioned regarding Shabbos.
On the daf / in context: See the cited source for the full section.
Derash on the verse.