Quarter horse mare\nQuarter horses are reliable animals with strong nerves.\n\nQuarter horses are reliable animals with strong nerves. That’s why they’re especially popular with cowboys. Quarter horses also have what’s known as cow sense, which helps their riders when driving herds of cattle. Quarter horses respond to the tiniest of leg cues and if they’re trained well can even be ridden without reins.\n\nFun fact\nQuarter horses, Paint horses and Appaloosas are among the most popular breeds for western riding.