May 2014: North & South Dakota Click on a thumbnail below to start the lightbox viewer Pronghorn (Antilocapra americana) – North of Rapid City, SD The great plains Black-tailed prairie dog (Cynomys ludovicianus) – Theodore Roosevelt National Park South Unit Black-tailed prairie dog (Cynomys ludovicianus) – Theodore Roosevelt National Park South Unit American bison (Bison bison) – Theodore Roosevelt National Park South Unit American bison (Bison bison) – Theodore Roosevelt National Park South Unit Wild horse – Theodore Roosevelt National Park South Unit Lark sparrow (Chondestes grammacus) – Theodore Roosevelt National Park South Unit American bison (Bison bison) – Theodore Roosevelt National Park South Unit Buckhorn Trail – Theodore Roosevelt National Park North Unit Black-tailed prairie dogs (Cynomys ludovicianus) – Theodore Roosevelt National Park North Unit Black-tailed prairie dog (Cynomys ludovicianus) – Theodore Roosevelt National Park North Unit Black-tailed prairie dog (Cynomys ludovicianus) – Theodore Roosevelt National Park North Unit Black-tailed prairie dog (Cynomys ludovicianus) – Theodore Roosevelt National Park North Unit Black-tailed prairie dog (Cynomys ludovicianus) – Theodore Roosevelt National Park North Unit Bullsnake (Pituophis catenifer sayi) – Theodore Roosevelt National Park North Unit The great plains Petrified Forest Trail – Theodore Roosevelt National Park South Unit Petrified Forest Trail – Theodore Roosevelt National Park South Unit Spotted towhee (Pipilo maculatus) – Petrified Forest Trail – Theodore Roosevelt National Park South Unit Sturgis Motorcycle Museum Sturgis Motorcycle Museum Sturgis Motorcycle Museum Mount Rushmore National Memorial Crazy Horse Memorial Black-tailed prairie dogs (Cynomys ludovicianus) – Custer State Park, SD American bison (Bison bison) – Custer State Park, SD Barn swallow (Hirundo rustica) – Custer State Park, SD Barn swallow (Hirundo rustica) – Custer State Park, SD Barn swallow (Hirundo rustica) – Custer State Park, SD American bisons (Bison bison) – Custer State Park, SD American bison (Bison bison) – Custer State Park, SD Wild turkey (Meleagris gallopavo) – Custer State Park, SD Badlands National Park Badlands National Park Badlands National Park Badlands National Park Brown-headed cowbird (Molothrus ater) – Badlands National Park Badlands National Park American bison (Bison bison) – Badlands National Park Badlands National Park