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Extinct equids restored to scale. Left to right: Mesohippus, Neohipparion, Eohippus, Equus scotti and Hypohippus. Wild horses have been known since prehistory from central Asia to Europe, with domestic horses and other equids being distributed more widely in the Old World, but no horses or equids of any type were found in the New World when European explorers reached the Americas.
Equus scotti is a true caballine horse that is more closely related to modern horses than to zebras and asses. Equus scotti may be synonymous with Equus lambei , another generally smaller horse known from the Pleistocene of North America, but this is uncertain. [ 3 ]
The tail is used by the horse and other equidae to keep away biting insects, and the position and movement of the tail may provide clues to the animal's physical or emotional state. Tail carriage may also be a breed trait. Tails of horses are often groomed in a number of ways to make them more stylish for show or practical for work.
Equus (/ ˈ ɛ k w ə s, ˈ iː k w ə s /) [3] is a genus of mammals in the family Equidae, which includes horses, asses, and zebras.Within the Equidae, Equus is the only recognized extant genus, comprising seven living species.
Remains attributed to the species display a considerable range of morphological variability. [9] The species had a small body size, with adult individuals estimated to have a body mass of around 300–365 kilograms (661–805 lb), [3] with the mummy of an 8 year old adult male horse (the Selerikan mummy) having a height of 1.35 metres (4 ft 5 in) at the withers.
The researchers compared the genomes of six species of apes, including humans, and 15 species of monkeys with tails to pinpoint key differences between the groups. Our ancient animal ancestors had ...
Equidae (commonly known as the horse family) is the taxonomic family of horses and related animals, including the extant horses, asses, and zebras, and many other species known only from fossils. The family evolved more than 50 million years ago, in the Eocene epoch, from a small, multi-toed ungulate into larger, single-toed animals.
A rare horse, whose species was once considered extinct, made its arrival at a California zoo after becoming the second successfully cloned of its kind.