Sunan Abi Dawud 5102
سنن أبي داود#5102SahihAbu Hurairah reported the Prophet (May peace be upon him) as saying:when you hear the cocks crowing, ask Allah for some of His grace, for they have seen as angel; but when you hear an ass braying, seek refuge in Allah from the devil, for it has seen the devil
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
Zubair Ali ZaiSahih Bukhari (3303) Sahih Muslim (2729)
In-book reference: 43:330