Sahih Muslim , Book 7, Hadith 3051 (USC-MSA) ⓘ
Anas (Allah be pleased with him) reported: There happened to pass (a person) with a sacrificial camel by Allah's Apostle and the rest of the hadith is the same.
وَحَدَّثَنَاهُ أَبُو كُرَيْبٍ، حَدَّثَنَا ابْنُ بِشْرٍ، عَنْ مِسْعَرٍ، حَدَّثَنِي بُكَيْرُ بْنُ الأَخْنَسِ، قَالَ سَمِعْتُ أَنَسًا، يَقُولُ مُرَّ عَلَى النَّبِيِّ صلى الله عليه وسلم بِبَدَنَةٍ . فَذَكَرَ مِثْلَهُ .
also referenced under: Book 15, Hadith 417 (In-Book) & Hadith 1323 (Reference)