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Horse - Encyclopedia, History, Geography and Biography |
 | | Horses four years old are considered mature, though the skeleton usually finishes developing at the age of six, and the precise time of completion of development also depends on the horse's breed, rate of growth, and gender. |
 | | Horse evolution was characterised by a reduction in the number of toes, from five per foot, to three per foot, to only one toe per foot (late Miocene 5.3 million years ago); essentially, the animal was standing on tiptoe. |
 | | Horse breeds with additional gaits include the Tennessee Walking Horse with its running walk, the American Saddlebred with its "slow gait" and rack, the Paso Fino horse with the paso corto and paso largo, Icelandic horse which are known for the tölt, and the Rocky Mountain Horse with its smooth, even four-beat gait. |
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