A South Russian Ovcharka also known as a Ukrainian Ovcharka or South Russian Sheepdog is a large long-haired (12 centimeters) white sheepdog. Breeders have not yet developed a precise theory of the dog's origins. However it is agreed that its ancestors lived in the Crimea region between the Black Sea and the Sea of Azov. About 36 inches tall it has a long head with dangling small triangular ears.