Musannaf Ibn Abi Shayba 18:25

Abu Bakr narrated to us, he said: Waki’ narrated to us, he said: Sufyan narrated to us, from Abu Ishaq, from Alqama ibn Qays, from Abdullah, that he said regarding [manslaughter by] mistake: [The blood money is divided into] fifths: twenty *hiqqah* (four-year-old she-camels), twenty *jadha’ah* (five-year-old she-camels), twenty *bint makhad* (one-year-old female camels), twenty *ibn makhad* (one-year-old male camels), and twenty *bint labun* (two-year-old female camels).