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Every dun horse has a dorsal stripe, and some dun horses also have additional primitive markings. Some non-dun horses may also show primitive markings, namely newborn foals and horses with the non-dun 1 gene. [1] [4] Primitive markings in horses are an example of atavism: preservation of or reversion to ancestral type. While primitive markings ...
Dun, also called bay dun, classic dun, or zebra dun is the most common type of dun, and has a tan or gold body with black mane, tail, and primitive markings. Genetically, the horse has an underlying bay coat color, acted upon by the dun gene.
Grulla, or Blue Dun: A horse with a black base color and the dun gene. Coat is a solid "mouse-colored" gray or silver (can also be almost brownish-gray) with black or dark gray primitive markings. Red Dun: A chestnut base coat with dun factors. Coat is usually pale yellow or tan with chestnut (red) primitive markings.
Some were non-dun with primitive markings, and non-dun 1 is one of the oldest coat color mutations, and has been found in remains from 42,700 years ago, along with dun. Non-dun 2, the version of the dun gene that most domestic horses have, is thought to be much more recent, possibly from after domestication. [ 3 ]
Dun: A horse coat color that features primitive markings: a slightly darker hair shade from the base coat located in a dorsal stripe along the horse's backbone, horizontal striping on the upper legs and sometimes transverse striping across the shoulders. These markings identify a horse as a dun as opposed to a buckskin or a bay.
Grullo [1] (pronounced GREW-yo) [2] [a] or grulla is a color of horses in the dun family, characterized by tan-gray or mouse-colored hairs on the body, often with shoulder and dorsal stripes and black barring on the lower legs. The genotype for grulla horses is a black base with dun dilution.
The Sorraia is known for its primitive features, including a convex profile and dun coloring with primitive markings. Concerning its origins, a theory has been advanced by some authors that the Sorraia is a descendant of primitive horses belonging to the naturally occurring wild fauna of Southern Iberia. Studies are currently ongoing to ...
The Riwoche horse / ˈ r iː w oʊ tʃ eɪ / [1] is a dun-colored, pony-sized horse indigenous to northeastern Tibet.It came to international attention in 1995, at which time its primitive appearance and small size led to speculation that it might be an evolutionary link between the prehistoric wild horse and the modern domestic horse.