Abu Maysarah (Amr bin Shurahbil) (may Allah have mercy on him) said: Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) asked about "al-Khunnas al-Jawar al-Kunnas" (those that retreat, those that move, those that hide): "O Amr, what are they?" I said: Cattle. He said: "I too think so."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 9031