The Messenger of Allah ﷺ said, "Ghifar, Aslam, Mazina, and whoever belongs to Juhaynah are better than the two allied clans, Asad and Ghatafan, and better than Hawazin and Tamim, for these are people of horses and camel hair."
وبإسناده قال قال رسول الله ﷺ غفار وأسلم ومزينة ومن كان من جهينة خير من الحيين الحليفين أسد وغطفان وهوازن وتميم فإنهم أهل الخيل والوبر
No references are available.
Its isnad is sahih, it passed at 9405, and the hadith is found in Muslim in the Fadail al-Sahabah 190, Tirmidhi 3952, and Hakim 4/81.