Lately the hummingbirds have been doing a lot of this:
Hummingbird cleaning feathers
A Website about Urban Environmental Restoration in Fairmount Park, Philadelphia
This video is a triumph of natural minimalism. Bravo. Fun to watch. The brick wall background is perfect for the subject.
Cleaning feathers is what it looks like, but I suspect it’s really chasing fleas.
Has Keeba and the bird been visiting the same spots?