When Khaybar was conquered, a sheep containing poison was presented as a gift to the Prophet ﷺ… the hadith.
لما فتحت خيبر أهديت للنبي ﷺ شاة فيها سم… الحديث.
Bukhari narrated it in "Jizya and Truces" (3169) from Abdullah bin Yusuf, who said, Layth narrated to us, who said, Saeed (that is, the son of Abu Saeed Maqburi) narrated to me, from Abu Hurairah, and he mentioned it.