"The Messenger of Allah sacrificed a horned, intact ram, with black feet some black at the stomach and black around its eyes." (Sahih )
Sunan an-Nasa'i Book 43, Hadith 30
← Previous Hadith "Then he" meaning the Prophet on the Day of Sacrifice - "Went toward two Amlah rams and sacrificed them, then (he went toward) a small flock of sheep and distributed them among us." (Sahih )

Sunan an-Nasa'i Book 43, Hadith 29 Next Hadith → "When distributing the spoils of war, the Messenger of Allah used to make ten sheep equivalent to one camel." Shu'bah said: "I know most if it from what I heard form Sa'eed bin Masruq, and Sufyan narrated it to me." (Sahih )

Sunan an-Nasa'i Book 43, Hadith 31