It wasnarrated that Abu Sa'eed said:
"The Messenger of Allah (ﷺ)sacrificed a horned, defectless ram with a black stomach, black feetand black around its eyes." (RU)
English reference (RU): Vol. 4, Book 26, Hadith 3128 (RU)
Arabic reference (RU): Book 26, Hadith 3248 (RU)