Sunan Abi Dawud 5269
سنن أبي داود#5269Sahihحَدَّثَنَا مُحَمَّدُ بْنُ كَثِيرٍ، أَخْبَرَنَا سُفْيَانُ، عَنِ ابْنِ أَبِي ذِئْبٍ، عَنْ سَعِيدِ بْنِ خَالِدٍ، عَنْ سَعِيدِ بْنِ الْمُسَيَّبِ، عَنْ عَبْدِ الرَّحْمَنِ بْنِ عُثْمَانَ، أَنَّ طَبِيبًا، سَأَلَ النَّبِيَّ صلى الله عليه وسلم عَنْ ضِفْدَعٍ يَجْعَلُهَا فِي دَوَاءٍ فَنَهَاهُ النَّبِيُّ صلى الله عليه وسلم عَنْ قَتْلِهَا .
Narrated AbdurRahman ibn Uthman: When a physician consulted the Prophet (ﷺ) about putting frogs in medicine, he forbade him to kill them
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:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
In-book reference: 43:497