Sahih Muslim 5830
The Book of Greetings
حَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، حَدَّثَنَا يَحْيَى، - وَهُوَ الْقَطَّانُ - عَنْ عُبَيْدِ اللَّهِ، أَخْبَرَنِي نَافِعٌ، أَنَّهُ سَمِعَ أَبَا لُبَابَةَ، يُخْبِرُ ابْنَ عُمَرَ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم نَهَى عَنْ قَتْلِ الْجِنَّانِ
Nafi' reported that he heard Abu Lubaba informing Ibn 'Umar that Allah's Messenger (ﷺ) had forbidden the killing of domestic snakes
Text from the public-domain hadith-api dataset. Numbering follows that dataset and can differ by a few from some printed editions — check the wording, not only the number.