Grullo
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Grullo 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 g
A grulla, like all duns, exhibits a lighter body coat than mane and tail color, clear primitive markings (a distinctive dorsal stripe, horizontal striping on the back of the forelegs, often a transverse stripe over the withers), and the dark "dun mask" on the face. Zebra stripes are visible on the left back leg. The dun gene also produces light guard hairs in the mane and the tail.
A Heck horse
The common crane (Grus grus) is the most common species of crane in Spain and the giver of its name to the grullo color
Mustangs
Dun gene
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The dun gene is responsible for the coat color seen in wild equines, which was lost in most domestic horses. A dun horse has a lightened color over most of the body while leaving the points darker. Bo
Grullo
…Grullo ( GROO-yoh) 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…
A bay dun, also called a "classic" or "zebra" dun
A red dun
Cave painting at Lascaux: Dun is thought to be a wild type coloration