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

travel destination photography colour image vertical winter cold temperature snow national park bison bison bison yellowstone national park unesco world heritage site wyoming united states of america north america frost covering outdoors day animal themes wildlife animals in the wild no people one animal front view full length mammal brown standing horned looking at camera portrait nature