From Sahih Muslim (Hadith 5085):
Amir al-Juhani reported:Allah's Messenger (ﷺ) distributed sacrificial animals (amongst us for sacrificing them on 'Id al-Adha). So we sacrificed them. There fell to my lot a lamb of less than one year I said: Allah's Messenger, there has fallen to my lot a lamb (Jadha'a), whereupon he said: Sacrifice that
Reference: Muslim 5085