Equus
Name meaning:
Wild horse
Period of life:
From 1 million years ago to the present day
Period:
Quaternary period
Habitat:
Steppes
Taxonomy:
Mammals
Countries:
What does the name mean: The name Equus ferus comes from the Latin words equus (“horse”) and ferus (“wild”) and means “wild horse”.
The wild horse (Equus ferus) is a species of odd-toed ungulate mammal from the horse family (Equidae), including two known wild subspecies: the Przewalski’s horse (E. f. przewalskii) and the tarpan (E. f. ferus). The domestic horse (E. f. caballus) originated from this species, playing a major role in human history.
In the past, wild horses inhabited the steppes, forest-steppes, and open plains of Eurasia — from Western Europe to Central Asia. They lived in small groups and traveled long distances in search of food. Well-developed musculature, strong limbs, and durable hooves provided endurance and the ability to move rapidly.
The subspecies differed in morphology. The tarpan (E. f. ferus) reached about 130–136 cm at the shoulder and weighed up to 400 kg. Przewalski’s horse (E. f. przewalskii) was somewhat shorter and more compact — 122–132 cm at the shoulder and weighing 250–350 kg.
The tarpan had a mouse-gray coat with a brownish tint. The underside was lighter, the legs darker, and a distinct dark dorsal stripe ran along the back. Seasonal coat changes included thickening and lightening in winter and shortening with darkening in summer.
Przewalski’s horse (E. f. przewalskii) has a dun-colored coat ranging from reddish to sandy-brown. The muzzle is lighter than the body, the legs are dark, and a dark dorsal stripe runs along the back. The tail has a lighter base and a dark terminal portion.
Both subspecies are characterized by a short upright mane without a forelock and a relatively compact body build, distinguishing them from most modern domestic breeds.
The wild horse (Equus ferus) is a herbivorous animal. The incisors are used for cutting grass, while the high-crowned molars with durable enamel are adapted for grinding tough vegetation that forms the basis of the diet.
Today, only one of the two subspecies survives. The tarpan (E. f. ferus) became extinct by the beginning of the 20th century due to hunting, competition with domestic livestock, and hybridization. Przewalski’s horse (E. f. przewalskii) disappeared from the wild in the mid-20th century, but thanks to captive breeding and reintroduction programs, it once again inhabits the steppes of Mongolia and Kazakhstan.
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