Category:Travel and Places
Subcategory:North America
Subcategory Detail:United States of America
Keywords:2012, May, National Park, Pelican Creek, Williamson's sapsucker, Yellowstone, Yellowstone Lake, badger, bear, bear, bears, black, black, black, brown-headed cowbirds, cavity, cavity, cinnamon, colored, depositing, eared grebes, excavating, landscape, material, mother, mountain bluebird, nest, nest, nesting, new cubs, of, playful, playful, playing, sleeping, spring, violet-green swallow, wrestling