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

travel destination photography color image horizontal female animal mountain bluebird sialia currucoides nest yellowstone national park wyoming outdoors day full length one animal bird blue national park animal themes wildlife animals in the wild tree trunk rear view looking away grey usa us united states united states of america north america american north american colour image colour color image color outside travel destinations travel nobody no one no one