Mountain bluebird (Sialia currucoides) with a grub, Yellowstone National Park, Wyoming, United States of America, North America

bluebird bird wildlife yellowstone national park yellowstone wyoming usa us united states united states of america north america photography colour image colour color image color horizontal outdoors outside no people nobody no one no one day animal themes wild nature the natural world mountain bluebird sialia currucoides grub united states of america north america two animals full length side view eating feeding national park holding grub animals in the wild