Sunan Abi Dawud 2546
سنن أبي داود#2546SahihNarrated AbuHurayrah: The Messenger of Allah (ﷺ) used to name a mare a horse
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautHasan
Zubair Ali ZaiIsnaad Hasan
In-book reference: 15:70