Sahih al-Bukhari 5565
Book 73: Al-Adha Festival Sacrifice (Adaahi) · Narrated by Anas
Arabic
حَدَّثَنَا قُتَيْبَةُ، حَدَّثَنَا أَبُو عَوَانَةَ، عَنْ قَتَادَةَ، عَنْ أَنَسٍ، قَالَ ضَحَّى النَّبِيُّ صلى الله عليه وسلم بِكَبْشَيْنِ أَمْلَحَيْنِ أَقْرَنَيْنِ، ذَبَحَهُمَا بِيَدِهِ، وَسَمَّى وَكَبَّرَ وَوَضَعَ رِجْلَهُ عَلَى صِفَاحِهِمَا.
English translation
Narrated Anas:The Prophet (ﷺ) offered as sacrifices, two horned rams, black and white in color. He slaughtered them with his own hands and mentioned Allah's Name over them and said Takbir and put his foot on their sides
Reference: Sahih al-Bukhari 5565, Book of Al-Adha Festival Sacrifice (Adaahi). English translation by Dr. Muhammad Muhsin Khan.