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

travel destination travel destinations travel photography colour image colour color image color vertical male animal williamson's sapsucker sphyrapicus thyroideus nest yellowstone national park wyoming usa us united states usa us united states united states of america north america american north american outdoors outside national park animal themes wild wildlife no people nobody no one no one day side view part of hole one animal brown black emergence nature the natural world bird