Zebras are closely related to domestic horses. They are large single-hoofed ungulates built for speed and long-distance migrations. Zebras typically stand about 120ââ¬â140 cm 47ââ¬â55 inches at the shoulder. Male Grevyââ¬â¢s zebras are larger than females; in the plains zebra and the mountain zebra, the sexes are nearly the same size. Zebras exhibit no other sexual dimorphism except for males having spade-shaped canines used in fighting. The teeth of all three species are adapted for grazing. Zebras possess strong upper and lower incisors for cropping grasses and large high-crowned teeth for processing silicate-rich grasses that wear down molars.
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