مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2512
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 shoulder bone, then he prayed and did not do wudoo’.
Musnad Ahmad 2524Its isnad is saheeh]