A red ribbon in a horse's tail indicates what?

A red ribbon in a horse's tail is a widely recognized signal indicating that the horse may kick if approached. This warning is used particularly in social settings involving horses, such as shows, events, and competitions, to ensure the safety of handlers and other horses. The ribbon alerts people to exercise caution around that particular horse, as it may exhibit uncharacteristic or aggressive behavior.

In contexts where horses are gathered, such as during events, it's crucial to communicate behavioral traits clearly. The red ribbon serves as a straightforward visual cue for others, allowing them to recognize that the horse could be unpredictable or more prone to kicking, thus promoting safer interactions.