Sayyidah Umm Kurz al-Khuza'iyyah (may Allah be pleased with her) heard the Prophet (peace and blessings be upon him) saying about the aqiqah: "Two equal goats for a boy and one goat for a girl; it will not harm you whether they are male or female."
Sufyan bin Uyaynah narrated it this way, "from his father," and the mention of his father in it is an error (wahm).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الضحايا / 19276
Sayyidah Umm Kurz (may Allah be pleased with her) says that the Messenger of Allah (peace and blessings be upon him) said: "Two equal goats for a boy and one goat for a girl."
Abu Dawud said: This is the (correct) hadith, and the hadith of Sufyan is an error (wahm). Al-Faqih (may Allah have mercy on him) said: Al-Muzani narrated it in al-Mukhtasar from al-Shafi'i, from Sufyan, from Ubaydullah bin Abi Yazid, from Siba' bin Wahb, from Umm Kurz, and al-Muzani erred in it in two places: first, all the other narrators narrated it from Ibn Uyaynah, from Ubaydullah bin Abi Yazid, from his father, from Siba'; and second, they said in it Siba' bin Thabit. Al-Tahawi narrated it from al-Muzani in Kitab al-Sunan correctly in one of the two places, as all the others narrated it from Sufyan. And success is from Allah.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الضحايا / 19277
Umm Kurz (may Allah be pleased with her) heard the Prophet (peace and blessings be upon him) saying: "Two equal goats are to be offered as aqiqah for a boy and one goat for a girl."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الضحايا / 19278
Ibn Jurayj (may Allah have mercy on him), narrating this hadith from Ata (may Allah have mercy on him), asked him what "mukafa'atan" means. He said: "That the two are alike." And a sheep is more beloved than a goat, and a male more than a female; this is his own opinion. Someone said to Ata (may Allah have mercy on him): What if I slaughter a camel in its place? He said: Begin with the one that has been named, and after that whatever you like. I said to him: Is this the Sunnah way? He said: Yes, this is the Sunnah way.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الضحايا / 19279
Ibn Abi Mulaykah says that a child was born in the house of Abd al-Rahman bin Abi Bakr (may Allah be pleased with him), and it was said to Sayyidah Aishah (may Allah be pleased with her): "O Mother of the Believers, perform the aqiqah on behalf of this child with a camel." She said: "Ma'adh Allah (Allah forbid)! Rather, the Messenger of Allah (peace and blessings be upon him) spoke of slaughtering 'two equal goats'."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الضحايا / 19280
Sayyidah Aishah (may Allah be pleased with her) says that the Messenger of Allah (peace and blessings be upon him) said: "Two equal goats are to be offered as aqiqah for a boy and one goat for a girl."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الضحايا / 19281
Sayyiduna Abu Hurayrah (may Allah be pleased with him) says that the Prophet (peace and blessings be upon him) said: "The Jews perform the aqiqah for a boy but do not perform it for a girl. So perform the aqiqah with two goats for a boy and one goat for a girl."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الضحايا / 19282