مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3144
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn ‘Abbas (رضي الله عنه) that as-Sa'b bin Jaththamah gave the Messenger of Allah (ﷺ) - when he was in Qudaid, in ihram - the rump of an onager, and the Messenger of Allah (ﷺ) gave it back, dripping with blood.
Musnad Ahmad 3168Its isnad is saheeh, Muslim (1194)]