صحیح ابن حبان
Ibn Hibban
كتاب الطهارة
Book of Purification
باب نواقض الوضوء - ذكر البيان بأن الكتف الذي أكله المصطفى صلى الله عليه وسلم ولم يتوضأ منه إنما كان ذلك كتف شاة لا كتف إبل
Chapter on Nullifiers of Ablution – Clarification that the shoulder the Prophet (peace be upon him) ate without performing ablution was sheep shoulder, not camel shoulder
1 hadith
Hadith 1143
Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) narrates: The Prophet Muhammad (peace and blessings be upon him) ate the meat of a goat's shoulder, then he performed prayer and did not perform ablution again.