This observation is for the parent outside the nest cavity. A separate observation for the babies in the nest cavity can be found here: https://www.inaturalist.org/observations/164326755
Another birder observing this nest with a camera said that she had seen 3 babies poking their heads out of the cavity: 2 males and 1 female. We saw a parent visit the nest cavity to feed the babies twice. They were so cute!! They kept making little "feed me" noises even when the parent was nowhere in sight.
After stopping by Best Buy to get my laptop fixed, I went over to Creek Trail Park -- really nice little park!