Please be sure to watch the video.
This photo is of a genetically bay horse, showing the faint dorsal counterstriping that is common on some bays. This horse is NOT a dun and this dorsal stripe does not reflect the presence of the dun gene. (Photo credit: Wikipedia)
Watch and listen carefully as the video posses excellent arguments about the markings on some of the wild horses and debunks the myth that all the wild horses are descendants of the Spanish horses set free in North America.
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