This mountain bluebird pair along Umptanum Road was nesting in a fence post in a hole about a foot from the ground; on the opposite side of the post about four feet up, a house wren abode was in full swing. All four parents were so intent upon feeding their young that they allowed me to sit with my camera about 10-12' away for a good half-hour.
To the left is a male western bluebird, distinguished by ruddy coloration on its scapulars, bringing prime insect dinner to its young. Below is the inside of one of the scores of nestboxes built by the Yakima Audubon Society along the Umptanum Road to the west of Yakima.
If you aren't smiling by now, please seek medical advice immediately.