Modern working cowboys: On the ranch, the cowboy is responsible for feeding the livestock, branding and earmarking cattle (horses also are branded on many ranches), plus tending to animal injuries and other needs. The working cowboy usually is in charge of a small group or "string" of horses and is required to routinely patrol the rangeland in all weather conditions checking for damaged fences, evidence of predation, water problems, and any other issue of concern. They also move the...