Odocoileus hemionus columbianus (Richardson, 1829) - The Columbia Black-tailed Deer Granite Lake, Trinity Wilderness, CA, August, 1986 © Donald H. Gudehus

Odocoileus hemionus columbianus (Richardson, 1829) - The Columbia Black-tailed Deer Olympic National Park, WA, August 30, 1996 © Donald H. Gudehus

Odocoileus hemionus columbianus (Richardson, 1829) - The Columbia Black-tailed Deer Los Altos Hills, Santa Clara Co., CA, November 15, 2013 © Donald H. Gudehus

Odocoileus hemionus columbianus (Richardson, 1829) - The Columbia Black-tailed Deer Los Altos Hills, Santa Clara Co., CA, November 15, 2013 © Donald H. Gudehus

Odocoileus hemionus columbianus (Richardson, 1829) - The Columbia Black-tailed Deer Mt. Pisgah Arboretum, Lane Co., OR, June 18, 2014 © Donald H. Gudehus