They can weigh up to 265 pounds.Guanacos have large eyes with thick lashes to protect them from dust and dirt kicked up by heavy winds. Their ears are large and pointed. Like camels, they have two padded toes on each foot help with footing on rocky trails or gravel slopes. Their feet are best described as “squishy.” they have a split upper lip that helps them draw in food. Their stomach has three chambers, and they are ruminants, like cows. They live in herds.