Buckskin and dun are colors found in many breeds of horses. Both colors look similar depending on the shade, but are caused by different genes. A horse may appear to be a dun or buckskin but genetically is not and cannot pass the desired color along to foals.
Buckskins generally have yellow bodies, and black manes, tails, stockings and dorsal stripes. Duns have a sandy brown or a mouse-gray body, with a brown or dark gray dorsal stripe. Manes and tails can differ in color depending on the individual horse.
Duns and buckskins come in many shades, and can be dappled. Both can have white markings on the legs and head. Duns usually have horizontal stripes on the legs and a stripe across the shoulders.
Buckskin color shades are caused by the cream dilution gene, which adds white to the base color bay. Dun shades are caused by the dun dilution gene, which adds white only to the body and not to the legs, head, mane or tail.
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Rena Sherwood is a writer and Peter Gabriel fan who has lived in America and England. She has studied animals most of her life through direct observation and maintaining a personal library about pets. She has earned an associate degree in liberal arts from Delaware County Community College and a bachelor's degree in English from Millersville University.