a general rule that a horse breed with fewer than 1000 female individuals is in danger. Breed Characteristics The Orlov trotters are in general taller and more robust than Standardbreds. The average current measurements for Orlov breeding stallions are 161.4 cm (height at withers), 164 cm (body length/barrel), 186 cm (chest circumference), 20.4 cm (cannon bone circumference) and for breeding mares are 160.3 cm, 163.6 cm, 186.2 cm and 20.1 cm respectively. In appearance, the Orlovs are characterized by a big head, large expressive eyes, a long and naturally arched neck set high, prominent withers and broad croup. The body is muscular. The legs are strongly built, with prominent joints and clearly defined tendons. Due to its Arabian origins, many Orlovs are grey, at maturity, though all are born a darker colour at birth. (Grey horses are born dark and slowly lighten as they age until their hair coat is completely white.) At maturity, the colors of Orlovs are: grey (46%), black (28%), bay (20%) or chestnut (5%). See also List of horse breeds Smetanka Orlov (disambiguation) Kholstomer — an Orlov trotter who recounts his life in Leo Tolstoy's story References Витт В.О. Из истории русского коннозаводства. Создание новых пород лошадей на рубеже XVIII-XIX столетий. Moscow, 1952. Рождественская Г. Орловский рысак. Moscow, 2003. . External links The Orlov trotter (archived) Oklahoma State University page on the Orlov trotter Additional Orlov trotter information Orlov trotter Horse breeds originating in Russia Harness racing