I broke down and gave the hummingbird mom a heart attack today.
Yesterday I waited until she was away from the nest and put a stepladder in the atrium. Today I went in and took pictures. The disadvantage of being 5 foot nothing, the pics are still crap. But here is the mom:
And here is what I think is the baby. The little gray blob
It appears she has been sticking the leaves of the baby tears (the ground cover in the atrium) on the outside of her nest. Nice camouflage.