حَدَّثَنِي أَبُو سَعِيدٍ حَدَّثَنَا سُلَيْمَانُ بْنُ بِلَالٍ عَنْ عَمْرِو بْنِ أَبِي عَمْرٍو عَنْ عِكْرِمَةَ عَنِ ابْنِ عَبَّاسٍ أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ مَنْ وَقَعَ عَلَى بَهِيمَةٍ فَاقْتُلُوهُ وَاقْتُلُوا الْبَهِيمَةَ
مسند امام احمد بن حنبل · Hadith 2420
It was narrated from Ibn 'Abbas (RA) that the Messenger of Allah (PBUH) said: "Whoever has intercourse with an animal, kill him and kill the animal."
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020