Sunan Abi Dawud 5251
سنن أبي داود#5251Sahihحَدَّثَنَا أَحْمَدُ بْنُ مَنِيعٍ، حَدَّثَنَا مَرْوَانُ بْنُ مُعَاوِيَةَ، عَنْ مُوسَى الطَّحَّانِ، قَالَ حَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ سَابِطٍ، عَنِ الْعَبَّاسِ بْنِ عَبْدِ الْمُطَّلِبِ، أَنَّهُ قَالَ لِرَسُولِ اللَّهِ صلى الله عليه وسلم إِنَّا نُرِيدُ أَنْ نَكْنِسَ زَمْزَمَ وَإِنَّ فِيهَا مِنْ هَذِهِ الْجِنَّانِ - يَعْنِي الْحَيَّاتِ الصِّغَارَ - فَأَمَرَ النَّبِيُّ صلى الله عليه وسلم بِقَتْلِهِنَّ .
Narrated Al-Abbas ibn AbdulMuttalib: Al-Abbas said to the Messenger of Allah (ﷺ): We wish to sweep out Zamzam, but in it there are some of these Jinnan, meaning small snakes; so the Messenger of Allah (ﷺ) ordered that they should be killed
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 43:479