Jim Brandenburg / Black-tailed Prairie Dog (Cynomys ludovicianus) in burrow with American Bison (Bison bison) and Ponderosa Pines (Pinus ponderosa), Wind Cave National Park, South Dakota

David Kjaer / Black tailed prairie dogs, Arizona, USA

Charlie Summers / American badger (Taxidea taxus) crossing a major South Dakota highway with a Black-tailed Prairie Dog (Cynomys ludovicianus) firmly in its grasp. This is a female, a nursing mother, that was returning...

Charlie Summers / White-tailed prairie dog (Cynomys leucurus) youngsters playing on top of burrow, Arapaho National Wildlife Refuge of North Park, Colorado.

Charlie Summers / Black-tailed Prairie Dog (Cynomys ludovicianus) mother carrying one of her young to their burrow. Cherry Creek State Park, Colorado, USA, May.

Charlie Summers / White-tailed prairie dog (Cynomys leucurus) bounding through dew covered prairie grass, North Park, Colorado, USA.

Charlie Summers / Black-tailed prairie dogs (Cynomys ludovicianus) youngsters stay close together above their burrow, Cherry Creek State Park of Colorado, USA, May.

Charlie Summers / American badger (Taxidea taxus) female with Black-tailed Prairie Dog (Cynomys ludovicianus) prey she is taking to her cubs in their burrow. Custer State Park, South Dakota, USA. July.

Charlie Summers / American badger (Taxidea taxus) female with Black-tailed Prairie Dog (Cynomys ludovicianus) prey she is taking to her cubs in their burrow. Custer State Park, South Dakota, USA. July.

Charlie Summers / Black-tailed prairie dog (Cynomys ludovicianus) carrying her young in her mouth, Cherry Creek State Park, Denver, Colorado. USA, May.

Sean Crane / Black-tailed Prairie Dog (Cynomys ludovicianus) pair greeting, Wind Cave National Park, South Dakota

Jeff Foott / Black-tailed Prairie Dog (Cynomys ludovicianus) mother and young, Wind Cave National Park, South Dakota