Horses grazing in a pasture, Alberta, Canada

Horses grazing in a frost covered field, Alberta, Canada

Two cowboys standing with their horses grazing in a field, New Mexico, USA

Horses grazing in a pasture, Alberta, Canada

Two cowboys riding horses, Montana, USA

Two Roosevelt elks (Cervus canadensis roosevelti) in a forest, Redwood National Park, California, USA

Wild horse grazing in a field, Monument Valley, Arizona-Utah, USA

Horse grazing in a ranch, Ushuaia, Beagle Channel, Tierra del Fuego, Argentina

Horse grazing in a pasture, Alberta, Canada

Horse grazing in a frost covered prairie, Alberta, Canada

Horse in a field with cliffs in the background, Monument Valley, Arizona-Utah, USA

Dicraeosaurus grazing an open field.

Two Brachiosaurus dinosaurs grazing on trees.

Brachiosaurus grazing in a grassy field.

Brown Einiosaurus grazing an open field.

Two Mamenchisaurus walking across a grassy field.

Two Eurohippus grazing along a nearby swamp.

Two Shuangmiaosaurus walking across a grassy field.

Two Mamenchisaurus walking across a grassy field.

Large Brachiosaurus grazing in an open field.

Two Mamenchisaurus walking across a grassy field.

Large Brachiosaurus grazing in a grassy field.

Two Kentrosaurus dinosaurs walking across an open field.

Two horses grazing in a field