It is narrated from Amr bin Dinar (may Allah have mercy on him) that he said: "I saw that people would give blood money (diyah) even in cases of accidental killing of an animal."
Hadith Referenceمسند الإمام الشافعي / كتاب الحج / 879
Hadith Takhrijاسناده ضعيف لعنعنة ابن جريج وهو مدلس: اخرجه البيهقي: 5/ 180 - وفى المعرفة السنن والآثار له (3142)۔