It is large and slender and has long legs. The lesser roadrunner's wings and tail are covered with black, brown and white feathers, and it has a yellowish-white belly. It is 12 to 20 inches in length, and weighs around 8 to 15 ounces. The lesser roadrunner has zygodactyl feet, meaning it has two toes on the back of its feet and two toes on the front.