Donald M. Jones / Black-tailed Prairie Dog (Cynomys ludovicianus) group, South Dakota
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Donald M. Jones / Black-tailed Prairie Dog (Cynomys ludovicianus) pair greeting, South Dakota
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Donald M. Jones / Black-tailed Prairie Dog (Cynomys ludovicianus) pair greeting, South Dakota
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Yva Momatiuk & John Eastcott / Black-tailed Prairie Dog (Cynomys ludovicianus) on alert, Theodore Roosevelt National Park, North Dakota
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David Welling / Utah Prairie Dog (Cynomys parvidens) standing on watch outside their burrow. Bryce Canyon National Park, Utah, USA, August.
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Charlie Summers / Three Western Black-tailed Prairie Dogs (Cynomys ludovicianus) at entrance to burrow. Cheyenne River drainage south of Hot Springs, South Dakota, USA
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John Cancalosi / Blacktail Prairie Dog (Cynomys ludovicianus) engaging in Jump-yip behavior - A strong arch of the back or "jump" followed by a shrill "yip" - Thought to occur when a predator has left the area and in...
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Charlie Summers / Black-tailed Prairie dog (Cynomys ludovicianus) on hind legs, emitting territorial call, Downtown Parker, Colorado, USA, North America
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Donald M. Jones / Black-tailed Prairie Dog (Cynomys ludovicianus) standing and barking, eastern Montana
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Pete Oxford / Black-tailed Prairie Dog (Cynomys ludovicianus) looking for danger, Devil's Tower National Monument, Wyoming
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Konrad Wothe / Black-tailed Prairie Dog (Cynomys ludovicianus) pair interacting, North America
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Nigel Bean / Black tailed prairie dogs at burrow entrance{Cynomys ludovicianus} Colorado, USA
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Thomas Lazar / Black tailed prairie dog (Cynomys ludovicianus) alert female, Custer State Park, South Dakota, USA
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Shin Yoshino / Black-tailed Prairie Dog (Cynomys ludovicianus) pair touching noses for identification, Colorado
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Jim Brandenburg / Black-tailed Prairie Dog (Cynomys ludovicianus) trio at burrow entrance, South Dakota
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Yva Momatiuk & John Eastcott / Black-tailed Prairie Dog (Cynomys ludovicianus) eating grass in summer, Devil's Tower National Park, Wyoming
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Konrad Wothe / Black-tailed Prairie Dog (Cynomys ludovicianus) alert pair, North America
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Jim Brandenburg / Black-tailed Prairie Dog (Cynomys ludovicianus) town with animals near burrows, South Dakota
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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 / White-tailed prairie dog (Cynomys leucurus) youngsters playing on top of burrow, Arapaho National Wildlife Refuge of North Park, Colorado.
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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 / White-tailed prairie dog (Cynomys leucurus) bounding through dew covered prairie grass, North Park, Colorado, USA.
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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.
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Charlie Summers / Black-tailed prairie dog (Cynomys ludovicianus) carrying her young in her mouth, Cherry Creek State Park, Denver, Colorado. USA, May.
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Sean Crane / Black-tailed Prairie Dog (Cynomys ludovicianus) pair greeting, Wind Cave National Park, South Dakota
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Jeff Foott / Black-tailed Prairie Dog (Cynomys ludovicianus) mother and young, Wind Cave National Park, South Dakota
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Jeff Foott / Black-tailed Prairie Dog (Cynomys ludovicianus) in burrow, Wind Cave National Park, South Dakota
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Jeff Foott / Black-tailed Prairie Dog (Cynomys ludovicianus), Wind Cave National Park, South Dakota
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Jeff Foott / Black-tailed Prairie Dog (Cynomys ludovicianus) in territorial display, Wind Cave National Park, South Dakota
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Jeff Foott / Black-tailed Prairie Dog (Cynomys ludovicianus) at burrow, Wind Cave National Park, South Dakota
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Claudio Contreras / Black-tailed Prairie Dog (Cynomys ludovicianus) at burrows entrance, Janos Biosphere Reserve, northern Mexico, October
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Claudio Contreras / Black-tailed prairie dog (Cynomys ludovicianus) feeding, with cattle passing behind, Janos Biosphere Reserve, northern Mexico, October
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Claudio Contreras / Black-tailed prairie dog (Cynomys ludovicianus) at burrows entrance, Janos Biosphere Reserve, northern Mexico, October
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Claudio Contreras / Black-tailed prairie dog (Cynomys ludovicianus) feeding at burrows entrance, Janos Biosphere Reserve, northern Mexico, October
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Claudio Contreras / Black-tailed prairie dog (Cynomys ludovicianus) at burrows entrance, Janos Biosphere Reserve, northern Mexico, October
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Claudio Contreras / Black-tailed prairie dog (Cynomys ludovicianus) at burrows entrance, Janos Biosphere Reserve, northern Mexico, October
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Donald M. Jones / Black-tailed Prairie Dog (Cynomys ludovicianus) pair calling, South Dakota
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Donald M. Jones / Black-tailed Prairie Dog (Cynomys ludovicianus) group, South Dakota
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Donald M. Jones / Black-tailed Prairie Dog (Cynomys ludovicianus), South Dakota
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Lynn M. Stone / American Bison (Bison bison) using horns and head to loosen up mound of Prairie Dog burrow to use as dust wallow. Note Prairie Dog in burrow lower right, Wind Cave National Park, South Dakota, USA, J...
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Charlie Summers / Black-tailed prairie dog (Cynomys ludovicianus) youngster showing affection to adult, Colorado, USA, May.
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Charlie Summers / Black-tailed prairie dog (Cynomys ludovicianus) pup showing affection toward adult female. Parker, Colorado, USA.
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Charlie Summers / Black-tailed prairie dog (Cynomys ludovicianus) pup showing affection toward adult female. Parker, Colorado, USA.
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Ingo Arndt / Black-tailed prairie dogs (Cynomys ludovicianus) group at burrow entrance, South Dakota, USA. September.
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Ingo Arndt / Black-tailed Prairie Dog (Cynomys ludovicianus) at burrow entrance, Badlands National Park, South Dakota, USA September.
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John Cancalosi / Black-tailed prairie dog (Cynomys ludovicianus) alarm, South Dakota, USA, June.
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John Cancalosi / Black-tailed prairie dog (Cynomys ludovicianus) alarm, South Dakota, USA, June.
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John Cancalosi / Black-tailed prairie dog (Cynomys ludovicianus) alarm, South Dakota, USA, June.
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John Cancalosi / Black-tailed prairie dog (Cynomys ludovicianus) grooming, South Dakota, USA, June.
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John Cancalosi / Black-tailed prairie dog (Cynomys ludovicianus) alarm, South Dakota, USA, June.
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Ingo Arndt / Black-tailed Prairie Dog (Cynomys ludovicianus) barking from burrow entrance, Wyoming, USA
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Ingo Arndt / Black-tailed Prairie Dog (Cynomys ludovicianus) sitting alert, close to burrow entrance, South Dakota, USA
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Ingo Arndt / Black-tailed Prairie Dog (Cynomys ludovicianus) sitting upright, feeding, South Dakota, USA
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Ingo Arndt / Black-tailed Prairie Dog (Cynomys ludovicianus) sitting alert at burrow entrance, South Dakota, USA
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Ingo Arndt / Black-tailed Prairie Dog (Cynomys ludovicianus)portrait, feeding on vegetation, South Dakota, USA.
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Ingo Arndt / Black tailed prairie dog outside burrow {Cynomys ludovicianus} Captive
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Todd Mintz / Black tailed Prairie Dog (Cynomys ludovicianus) Saskatchewan, Canada. July
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Charlie Summers / Black-tailed prairie dog (Cynomys ludovicianus) interacting, Parker, Colorado, USA, May.
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Charlie Summers / Western black-tailed prairie dog (Cynomys ludovicianus) youngsters crowd around nursing mother. Colorado, USA, May.
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Charlie Summers / Black-tailed prairie dog (Cynomys ludovicianus) youngster with an adult, Parker, Colorado, USA, May.
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Steve Gettle / Black-tailed Prairie Dog (Cynomys ludovicianus) pair greeting each other, Wyoming
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Steve Gettle / Black-tailed Prairie Dog (Cynomys ludovicianus), Wyoming
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Steve Gettle / Black-tailed Prairie Dog (Cynomys ludovicianus) feeding, Wyoming
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Juergen & Christine Sohns / Black-tailed Prairie Dog (Cynomys ludovicianus) group feeding, Heidelberg, Germany
Mark Raycroft / Black-tailed Prairie Dog (Cynomys ludovicianus), North America
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Todd Mintz / Black tailed prairie dog (Cynomys ludovicianus) pup at burrow entrance feeding on grasses, Grasslands National Park, Saskatchewan, Canada, July.
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Todd Mintz / Black tailed prairie dog (Cynomys ludovicianus) pup at burrow entrance, Grasslands National Park, Saskatchewan, Canada, July.
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Todd Mintz / Black tailed prairie dog (Cynomys ludovicianus) mother and pup at burrow entrance, Grasslands National Park, Saskatchewan, Canada, July.
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Charlie Summers / Western white-tailed prairie dog (Cynomys leucurus) excavating a new burrow in the side of an old burrow. Arapahoe National Wildlife Refuge of North Park, Colorado, USA, June.
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Sean Crane / Black-tailed Prairie Dog (Cynomys ludovicianus) sounding alarm call, Badlands National Park, South Dakota
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Kevin Schafer / Black-tailed Prairie Dog (Cynomys ludovicianus) giving alarm call at burrow entrance, Devils Tower National Monument, Wyoming
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Juan Carlos Munoz / Black-tailed prairie dog (Cynomys ludovicianus) at burrow entrance, Copenhagen Zoo, Denmark, Europe. Captive, originating from North America.
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Charlie Summers / Black-tailed Prairie Dog (Cynomys ludovicianus) jumping with yip cry. Wind Cave National Park, South Dakota, USA, October.
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Charlie Summers / Black-tailed prairie dogs (Cynomys ludovicianus) yipping atop burrow, Wind Cave National Park, South Dakota, USA, September.
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Charlie Summers / Black-tailed prairie dogs (Cynomys ludovicianus) chirping in unison from atop a burrow. Wind Cave, South Dakota, USA, September.
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Charlie Summers / Black-tailed Prairie Dogs (Cynomys ludovicianus) a top burrow. One with tag on ear, Wind Cave National Park of South Dakota were tagged for a study.
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Charlie Summers / Black-tailed prairie dog (Cynomys ludovicianus) muddy from digging through melting snow, feeding on root, Colorado, USA. March.
