Shattil & Rozinski / Juvenile Swift fox (Vulpes velox) stalking prey on the shortgrass prairie of Southern Wyoming, Wyoming, USA

Shattil & Rozinski / Swift fox (Vulpes velox) running, backlit, Wyoming, USA

Donald M. Jones / Black-tailed Prairie Dog (Cynomys ludovicianus) standing and barking, eastern Montana

Pete Oxford / Black-tailed Prairie Dog (Cynomys ludovicianus) looking for danger, Devil's Tower National Monument, Wyoming

Konrad Wothe / Black-tailed Prairie Dog (Cynomys ludovicianus) pair interacting, North America

Nigel Bean / Black tailed prairie dogs at burrow entrance{Cynomys ludovicianus} Colorado, USA

Thomas Lazar / Black tailed prairie dog (Cynomys ludovicianus) alert female, Custer State Park, South Dakota, USA

Shin Yoshino / Black-tailed Prairie Dog (Cynomys ludovicianus) pair touching noses for identification, Colorado

Jim Brandenburg / Black-tailed Prairie Dog (Cynomys ludovicianus) trio at burrow entrance, South Dakota

Yva Momatiuk & John Eastcott / Black-tailed Prairie Dog (Cynomys ludovicianus) eating grass in summer, Devil's Tower National Park, Wyoming

Konrad Wothe / Black-tailed Prairie Dog (Cynomys ludovicianus) alert pair, North America

Jim Brandenburg / Black-tailed Prairie Dog (Cynomys ludovicianus) town with animals near burrows, South Dakota