مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3380
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn ‘Abbas (رضي الله عنه) that The Prophet (ﷺ) nibbled some meat from a bone, then he prayed and he did not do wudoo.
Musnad Ahmad 3403lts isnad is saheeh]