مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3041
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn 'Abbas said: The Prophet (ﷺ) forbade killing four types of creatures, ants, bees, hoopoes and sparrow-hawks.
Musnad Ahmad 3066Its isnad is saheeh]