مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2688
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn 'Abbas (رضي الله عنه) said: The Prophet (ﷺ) passed by a group of the Ansar who had taken a pigeon as a target, and he said: "Do not take any animate being as a target."
Musnad Ahmad 2705A saheeh hadeeth]