Species group · Mammals
WAnimals has 2 species of horse, in the family Equidae.
Ranges calculated from the profiles that record the figure, not from all 2.
Each one has its own full profile. This group does not replace them: it brings them together.
1 species in this group is in a threatened category according to the IUCN.
Recorded in 3 countries. The ones with the most species in the group:
It is the only truly wild horse in the world, never successfully domesticated.
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It died out in the wild in 1969, surviving only in captivity.
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It was successfully reintroduced to Mongolia from the 1990s.
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It sleeps standing up thanks to the stay apparatus of its limbs, a system of tendons and ligaments that locks the joints with no muscular effort; it lies down only for deep sleep.
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It cannot vomit: the cardiac sphincter is so strong that it prevents reflux, which is what makes colic so serious.
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Its origin was settled in 2021, after decades of debate. Analysis of 273 ancient genomes placed the ancestors of all today's domestic horses on the steppes of western Eurasia, in the lower basins of the Volga and the Don, about 4,200 years ago.
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