One theory explaining this "horse of a different color" phenomenon is that, historically, only a few coat colors might have been appropriate for survival in the wild.

The Emperor's new coats: History of horse coat colors. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2016 / 12 / 161207091114.htm ...

Horses have been in Iceland since the time of the Vikings – and thanks to the country’s strict laws, they’ve been purebred for over 1,000 years. But now, a new coat pattern has emerged ...