A few shots taken of a hummingbird that's building a nest in a beech tree so close to my front door that I could reach it easily from the front deck with a yardstick.
My wife spotted it from the window over the kitchen sink while she was doing dishes...in fact, one of the shots was taken through the screen of that window.
Looks to me that she's making it from lichen and spider webs and then lining it with the fuzzy stuff from spent gypsy moth egg clusters.