What are small areas of dark hair on chestnut horses known as?

The small areas of dark hair on chestnut horses are referred to as "Bend Or Spots." This term specifically describes the distinctive markings that can appear as a result of genetics and pigmentation patterns in coat color. On chestnut horses, these spots can vary in size and distribution, adding unique character to the horse's appearance. The term accurately reflects a recognized phenomenon in equine coat color terminology, particularly in chestnut breeds.

Understanding the terminology associated with horse coat patterns is essential for accurate identification and evaluation in horse judging contexts. Other terms such as "pins," "flecks," and "marks" do not specifically denote the unique dark patches found on chestnut horses, which is why "Bend Or Spots" is the most appropriate choice for this particular question.