That would be my guess as well.
Either that or a Goshawk.
"Not used to not seeing the Crest"
Really?
I hardly ever get to see the crest.
Having that privilege I imagine that RC kinglets fancy you, over me.
The story of my life.
Kinglet, much like warblers, are frenetic and you are more likely to
capture a shot if you see where they are headed and then advance
in that direction and wait for them to visit you. Chasing after them
is futile. I should know. I decorated my whole room in primo futile.