KALAMA, Wash. - An endangered Columbian white-tailed deer was found shot to death and the search is on for the culprit.The deer was found dead on Oct. 3 near Kalama, Wash. The animal is believed to have been part of the Cottonwood Island population, which wildlife officials have been working to protect. It is illegal to hunt Columbian white-tailed deer. They are distinguishable from other deer by their wide, usually brown tails and antlers that typically branch off of the main beam rather than fork. More subtle differences often include more white facial marking around the eyes and above the nose, and smaller ears in relation to the head. The majority of these deer also have numbered white or yellow ear tags and radio collars. Anyone with information that can help investigators is asked to call the U.S. Fish and Wildlife Service at (360) 292-3500. A reward is being offered for information that leads to an arrest and/or conviction.