Mishkat al-Masabih
Mishkat al-Masabih 484
Arabic hadith text
وَعَن جَابر قَالَ: سُئِلَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ أَنَتَوَضَّأُ بِمَا أَفْضَلَتِ الْحُمُرُ؟ قَالَ: «نَعَمْ وَبِمَا أَفْضَلَتِ السِّبَاعُ كُلُّهَا» . رَوَاهُ فِي شَرْحِ السّنة
Translation
Jābir said that the Messenger of Allah was asked: ‘May we perform ablution with water left over by donkeys?’ He replied: ‘Yes, and with what all predatory animals leave behind.’ Al-Baghawī transmitted it in Sharḥ al-Sunna.