Jim Brandenburg / Black-tailed Prairie Dog (Cynomys ludovicianus) barking while standing atop burrow, South Dakota
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Jim Brandenburg / Black-tailed Prairie Dog (Cynomys ludovicianus) pair nuzzling to communicate, South Dakota
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Jim Brandenburg / Black-tailed Prairie Dog (Cynomys ludovicianus) sitting at burrow entrance, South Dakota
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Jim Brandenburg / Black-tailed Prairie Dog (Cynomys ludovicianus) barking while standing on its hind feet and raising the head back, a behavior known as jump-yip calling, Wind Cave National Park, South Dakota
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Jim Brandenburg / Black-tailed Prairie Dog (Cynomys ludovicianus) pair nuzzling to communicate, South Dakota
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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
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David Kjaer / Black tailed prairie dogs, Arizona, USA
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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...
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Charlie Summers / Black-tailed Prairie Dog (Cynomys ludovicianus) mother carrying one of her young to their burrow. Cherry Creek State Park, Colorado, USA, May.
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Charlie Summers / Black-tailed prairie dogs (Cynomys ludovicianus) youngsters stay close together above their burrow, Cherry Creek State Park of Colorado, USA, May.
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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.
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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.