Musannaf Ibn Abi Shayba 13:1714

Abu Bakr narrated to us, he said: Ibn Abi Za’idah narrated to us, from Yahya ibn Sa’id, from Sa’id ibn al-Musayyib, who said: Umar said, while he was leaning his back against the Ka’bah: "Whoever takes a stray animal, he is a stray."