عَن أنس قَالَ: ضَحَّى رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ بِكَبْشَيْنِ أَمْلَحَيْنِ أَقْرَنَيْنِ ذَبَحَهُمَا بِيَدِهِ وَسَمَّى وَكبر قَالَ: رَأَيْته وضاعا قَدَمَهُ عَلَى صِفَاحِهِمَا وَيَقُولُ: «بِسْمِ اللَّهِ وَاللَّهُ أكبر»

‘Uqba b. ‘Amir said the Prophet gave him some goats to divide among his friends as sacrificial animals, and a yearling remained over. He mentioned it to God’s Messenger, and he said, "Sacrifice it yourself.” In a version he said he told God’s Messenger he had got a lamb, and he replied, "Sacrifice it.” (Bukhari and Muslim.)