It wasnarrated that Abu Sa'eed Al-Khudri said:
"We bought a ram forsacrifice, then a wolf tore some flesh from its rump and ears. Weasked the Prophet (ﷺ) and he told us to offer it as a sacrifice." (AR)
English reference (AR): Vol. 4, Book 26, Hadith 3146 (AR)
Arabic reference (AR): Book 26, Hadith 3266 (AR)