Female Mountain Bluebird (Sialia currucoides) 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 one animal front view bird part of tree national park animal themes wildlife animals in the wild tree trunk focus on foreground 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