Musannaf Ibn Abi Shayba 1:310

Ibn ‘Ulayyah narrated to us, from Hisham al-Dastawa’i, from Hammad, from Ibrahim, who said: He used to say: Do not perform ablution with the leftover water of a donkey, nor with the leftover water of a mule, nor with the leftover water of any of the beasts of prey.