A garter snake consumes a worm inside its terrarium at the Pest Management Office at Ellsworth Air Force Base, S.D., Aug. 16, 2012. The pest management staff keeps a bull snake and a garter snake in their shop to afford base residents the opportunity to see two local varieties of snakes up close and learn about their behavior and characteristics. (U.S. Air Force photo by Airman Ashley J. Woolridge/Released)