(2) باب إِذَا غَابَ عَنْهُ الصَّيْدُ ثُمَّ وَجَدَهُ
Abu Tha'laba reported Allah's Apostle (ﷺ) as saying about one who comes three days later on the game he has shot:
Eat it, provided it has not gone rotten.
Reference: Sahih Muslim 1931 b
In-book reference: Book 34, Hadith 15
USC-MSA web (English) reference(deprecated numbering scheme): Book 21, Hadith 4746