وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ يَحْيَى بْنِ سَعِيدٍ، أَنَّ عُمَرَ بْنَ عَبْدِ الْعَزِيزِ، أَهْدَى جَمَلاً فِي حَجٍّ أَوْ عُمْرَةٍ ‏.‏

Yahya related to me from Malik from Yahya ibn Said that Umar ibnAbd al-Aziz once sacrificed a camel during a hajj or an umra. Translation Not Available

Book Ref: Muwatta Imam Malik Book 20 Hadith 845
Web Ref:  Muwatta Imam Malik Book 20 Hadith 142