Photo courtesy of Wayne Loht A piebald buck, photographed in November in Mifflin County. A rare genetic condition gives ...

He shot this rare piebald buck on his grandfather's farm in Martin County, near the Minnesota-Iowa border. (Courtesy of Mason Rudolph/Courtesy of Mason Rudolph) ...

Then one time the buck walked in front of a camera in daytime. “That’s when we knew the deer looked different,’’ Mason said. “It was piebald. No one around there had seen one before.’’ ...