What feature is notable about a bay horse's appearance?

The notable feature of a bay horse is its reddish-brown coat, complemented by a black mane and tail. This specific coloration distinguishes bay horses from other coat types. The body color is generally a shade of red or brown, while the darker mane and tail provide a striking contrast, which is characteristic of the bay coat. The uniqueness of the bay coat lies in this combination of colors, making it easily identifiable among various horse breeds and coat patterns. Understanding this characteristic helps in recognizing bay horses accurately in both casual observation and competitions.