Sahih Muslim 5622
صحيح مسلم#5622SahihAnas b. Malik reported that Allah's Messenger (ﷺ) had the sublimest character among mankind. I had a brother who was called Abu 'Umair. I think he was weaned. When Allah's Messenger (may peace he upon him) came to our house he saw him, and said:Abu 'Umair, what has the sparrow done? He (Anas) said that he had been playing with that
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 38:37