perissodactyl
Perissodactyla is an order of mammals that includes the odd-toed ungulates. This group is characterized by the presence of an odd number of toes on each foot, with the weight of the body being borne principally by the third toe. The other toes are reduced or absent. Living perissodactyls are divided into three families: the Equidae, which includes horses, asses, and zebras; the Rhinocerotidae, comprising rhinoceroses; and the Tapiridae, which consists of tapirs. These animals are primarily herbivores and are found in various habitats across Africa, Asia, and the Americas. Fossil evidence suggests that perissodactyls were once much more diverse and widespread than they are today, with many extinct families and genera. Key evolutionary adaptations include specialized digestive systems for processing plant matter and limb structures suited for terrestrial locomotion. Modern perissodactyls face significant conservation challenges, with several species listed as endangered or critically endangered due to habitat loss and poaching.