Parashas Mishpatim · Passuk 23:4
Chabad.org — English translation + Rashi
Torah Temimah points to Bava Kama 54b (verified).
Sefaria — Exodus 23:4
Sefaria — Bava Kama 54b
E-Daf — Bava Kama 54b
English: The obligation to return a lost animal applies to cattle, beasts, and birds as well as an ox, as it says, “So shall you do to every lost article of your brother.”
On the daf / in context: See the cited source for the full section.
Derash on the verse.