أَخْبَرَنَا سُوَيْدُ بْنُ نَصْرٍ، قَالَ أَخْبَرَنَا عَبْدُ اللَّهِ، عَنْ هِشَامِ بْنِ حَسَّانَ، عَنْ أَبِي إِدْرِيسَ، قَالَ شَهِدْتُ أَنَسَ بْنَ مَالِكٍ أُتِيَ بِبُسْرٍ مُذَنَّبٍ فَجَعَلَ يَقْطَعُهُ مِنْهُ ‏.‏

It was narrated that Abu Idris said: "I saw Anas bin Malik when some Busr which had extra bits were brought to him, and he started to cut them off." Translation Not Available

Book Ref: Sunan An Nisai Book 51 Hadith 5564
Web Ref:  Sunan An Nisai Vol 6 Book 51 Hadith 5566