Black is a hair coat color of horses in which the entire hair coat is black. It is not uncommon to mistake dark chestnuts or bays for black.
Black Irish Draught horse
Black horse (top) with sun bleached mane compared against dark bay or seal brown horse (bottom) with reddish hairs around the eye.
As seen in this photo, black foals are often born a "mousy" color that sheds off as they get older
This black Shetland Pony foal was born very dark and will likely gray like its mother
Bay is a hair coat color of horses, characterized by a reddish-brown or brown body color with a black point coloration on the mane, tail, ear edges, and lower legs. Bay is one of the most common coat
Black horse
…Black is a hair coat color of horses in which the entire hair coat is black. It is not uncommon to mistake dark chestnuts or bays for black. Black horses have dark brown eyes, black skin, and wholly black hair coats without any areas of permanently reddish or brownish hair. They…
The horses of the New South Wales Mounted Police show some of the typical variations in the bay color.
A very dark bay horse might appear to be almost black
Dark bay or "brown" horses often have lighter hair around the muzzle, eyes, flanks, and elbow