This horse was named after its main breeding area of Oldenburg in Northern Germany. The Oldenburg is a worldwide popular sport horse. The coat color is usually brown. There are occasionally bay and grey, but chestnut colors are rare. They usually have white markings on the head. Marking? do you know what it is? if not, then Let's find out! many horses can be identified by their markings. These are white hair points on the head and legs. These are inherent to the horse and do not change as they age. These horses eat plants. They like fresh food, but also eat pressed concentrated food. Typical food items include hay, carrots, fruit, grass, Oats and Barley. They drink up to 40 liters of water per day.