841-06446818

Two Pronghorn (Antilocapra americana) bucks sparring, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06446864

Bison (Bison bison) cows sparring, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-08031438

Pronghorn (Antilocapra americana) bucks sparring, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06446843

Two yellow-bellied marmot (yellowbelly marmot) (Marmota flaviventris) sparring, Mount Evans, Arapaho-Roosevelt National Forest, Colorado, United States of America, North America

Rights-Managed

841-06446816

Pronghorn (Antilocapra americana) buck, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07590278

Pronghorn (Antilocapra americana) buck, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06500755

Bison (Bison bison) bulls sparring, Custer State Park, South Dakota, United States of America, North America

Rights-Managed

841-06446817

Pronghorn (Antilocapra americana) buck, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06446761

Two bighorn sheep (Ovis canadensis) rams butting heads during the rut, Clear Creek County, Colorado, United States of America, North America

Rights-Managed

841-06446760

Two bighorn sheep (Ovis canadensis) rams butting heads, Clear Creek County, Colorado, United States of America, North America

Rights-Managed

841-07205499

Bull elk (Cervus canadensis) feeding in the winter, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06502708

Pronghorn buck (Antilocapra americana), Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Rights-Managed

841-06446829

Bison (Bison bison) calf in front of its mother, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06342651

Two bighorn sheep (Ovis canadensis) rams head butting, Clear Creek County, Colorado, United States of America, North America

Rights-Managed

841-06342650

Two bighorn sheep (Ovis canadensis) rams head butting, Clear Creek County, Colorado, United States of America, North America

Rights-Managed

841-06342575

Bison (Bison bison) bull and cow, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06342572

Bison (Bison bison) bull and cow, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06342569

Bison (Bison bison) bull demonstrating the flehmen response next to a cow, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07205516

Two gemsbok (South African oryx) (Oryx gazella) fighting, Kgalagadi Transfrontier Park, encompassing the former Kalahari Gemsbok National Park, South Africa, Africa

Rights-Managed

841-07205500

Bighorn sheep (Ovis canadensis) ram eating in the winter, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07205498

Bison (Bison bison) bull in the snow, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07205497

Bison (Bison bison) bull in the snow, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07205494

Bison (Bison bison) bull in the winter, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Rights-Managed

841-07913864

Black bear (Ursus americanus) sow and cub of the year, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07913839

Bull elk (Cervus canadensis) in the snow, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Rights-Managed

841-07082510

Bull elk (Cervus canadensis) feeding in the winter, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07355073

Mountain bluebird (Sialia currucoides) pair at their nest, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07355072

Bison (Bison bison) cow and calf, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07590270

Black Bear (Ursus americanus) sow and cub, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-05961185

Two bull elk (Cervus canadensis) sparring during the rut, Jasper National Park, UNESCO World Heritage Site, Alberta, Canada, North America

Rights-Managed

841-06446925

Two sub-adult grizzly bears (Ursus arctos horribilis), Glacier National Park, Montana, United States of America, North America

Rights-Managed

841-06446870

Male Williamson's sapsucker (Sphyrapicus thyroideus) poking out of its nest hole, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06446869

Male Williamson's sapsucker (Sphyrapicus thyroideus) at its nest hole, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06446865

Bison (Bison bison) cow nursing her calf, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06446863

Bison (Bison bison) cow nursing her calf, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06446832

Male yellow-headed blackbird (Xanthocephalus xanthocephalus) dislaying, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06446828

Bison (Bison bison) calf, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06446826

Grizzly Bear (Ursus arctos horribilis) walking, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06446825

Cinnamon-colored black bear (Ursus americanus) walking, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06446824

Bull elk (Cervus canadensis) in velvet running, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06446822

Three American avocet (Recurvirostra americana), Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06342574

Bison (Bison bison) bull among yellow wildflowers, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06342573

Bison (Bison bison) bull, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06342571

Bison (Bison bison) bull, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06342570

Bison (Bison bison) bull, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07205501

Bighorn sheep (Ovis canadensis) in the winter, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07205496

Bison (Bison bison) cow in the winter, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07205495

Coyote (Canis latrans) in the snow, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-09108174

Bison (Bison bison) cow and newborn calf, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07913909

American Bison (Bison bison), Grand Teton National Park, Wyoming, United States of America, North America

Rights-Managed

841-07913865

Elk (Cervus canadensis) calf nursing, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07913838

Bison (Bison bison) bull covered with snow in the winter, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-08031435

Bison (Bison bison) bull in the spring, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Rights-Managed

841-08729631

Grizzly bear (Ursus arctos horribilis) sow and two cubs of the year, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-08421429

Elk (Cervus canadensis) crossing the Madison River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Rights-Managed

841-08421428

Elk (Cervus canadensis), Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Rights-Managed

841-07082511

Bull elk (Cervus canadensis) at sunset in the winter, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07082509

Coyote (Canis latrans) in the snow, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07355076

Great gray owl (great grey owl) (Strix nebulosa) female and 8-day-old chick, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07523894

Two gemsbok (South African oryx) (Oryx gazella) fighting, Kgalagadi Transfrontier Park, encompassing the former Kalahari Gemsbok National Park, South Africa, Africa

Rights-Managed

841-07523893

Two gemsbok (South African oryx) (Oryx gazella) fighting, Kgalagadi Transfrontier Park, encompassing the former Kalahari Gemsbok National Park, South Africa, Africa

Rights-Managed

841-07590290

Badger (Taxidea taxus), Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07590289

Cinnamon Black Bear (Ursus americanus) yearling cub climbing a tree, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07590288

Male Mountain Bluebird (Sialia currucoides) with food at the nest, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07590285

Male Audubon's Yellow-Rumped Warbler (Dendroica coronata auduboni), Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07590281

Male Red-Winged Blackbird (Agelaius phoeniceus), Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07590279

Male Yellow-Headed Blackbird (Xanthocephalus xanthocephalus), Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07590277

Line of Bison (Bison bison) crossing the Lamar River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Rights-Managed

841-07590275

Mountain Bluebird (Sialia currucoides) male, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07590274

Badger (Taxidea taxus), Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07590272

Bison (Bison bison) calf, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-07590248

Common Waterbuck (Ellipsen Waterbuck) (Kobus ellipsiprymnus ) bucks, Kruger National Park, South Africa, Africa

Rights-Managed

841-09155220

Impala (Aepyceros melampus) bucks sparring, Kruger National Park, South Africa, Africa

Rights-Managed

841-09077120

Springbok (Antidorcas marsupialis) sparring among wildflowers, Namaqualand National Park, Namakwa, Namaqualand, South Africa, Africa

Rights-Managed

841-09077116

Elk (Cervus canadensis) bull in the snow in winter, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06806332

Pronghorn (Antilocapra americana) buck, Custer State Park, South Dakota, United States of America, North America

Rights-Managed

841-06806331

Pronghorn (Antilocapra americana) buck, Custer State Park, South Dakota, United States of America, North America

Rights-Managed

841-06806323

Pronghorn (Antilocapra americana) buck, Custer State Park, South Dakota, United States of America, North America

Rights-Managed

841-06806322

Pronghorn (Antilocapra americana) buck, Custer State Park, South Dakota, United States of America, North America

Rights-Managed

841-06502711

Bison in the Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Rights-Managed

841-06502710

Bison in the Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Rights-Managed

841-05961338

Young red hartebeest (Alcelaphus buselaphus), Addo Elephant National Park, South Africa, Africa

Rights-Managed

841-05961317

Two blesbok (Damaliscus pygargus phillipsi) facing off, Mountain Zebra National Park, South Africa, Africa

Rights-Managed

841-05961284

Two impala (Aepyceros melampus) bucks sparring, Imfolozi Game Reserve, South Africa, Africa

Rights-Managed

841-06446876

Male pronghorn (Antilocapra americana), Pawnee National Grassland, Colorado, United States of America, North America

Rights-Managed

841-06446871

Female Williamson's sapsucker (Sphyrapicus thyroideus) at its nest hole, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06446862

Bison (Bison bison) cows grazing, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Rights-Managed

841-06446860

Bison (Bison bison) calf, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06446859

Black bear (Ursus americanus) sow and two cubs-of-the-year, one nursing and one coming down from a tree, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed

841-06446858

Black bear (Ursus americanus) sow and cub-of-the-year coming down from a tree, Yellowstone National Park, Wyoming, United States of America, North America

Rights-Managed