ENOfficial
It was narrated that Ibn Abbas said: "As-Sab bin Jaththamah gave the Messenger of Allah (ﷺ) the leg of an onager that was dripping with blood when he was in Ihram, at Qudaid, and he returned it to him."
Source: sunnah.com
Other translations
Arabic
أَخْبَرَنَا مُحَمَّدُ بْنُ قُدَامَةَ، قَالَ حَدَّثَنَا جَرِيرٌ، عَنْ مَنْصُورٍ، عَنِ الْحَكَمِ، عَنْ سَعِيدِ بْنِ جُبَيْرٍ، عَنِ ابْنِ عَبَّاسٍ، قَالَ أَهْدَى الصَّعْبُ بْنُ جَثَّامَةَ إِلَى رَسُولِ اللَّهِ صلى الله عليه وسلم رِجْلَ حِمَارِ وَحْشٍ تَقْطُرُ دَمًا وَهُوَ مُحْرِمٌ وَهُوَ بِقُدَيْدٍ فَرَدَّهَا عَلَيْهِ .
sunnah.com