Ruby-throated Hummingbird
Archilochus colubris
Notes:

I've decided that hummingbirds and some kinds of warblers are the most difficult birds to photograph. They don't sit still.

I really want to get a decent hummingbird photo. In the photos below, they are difficult to find.

Links:
Photos:
Till now man has been up against Nature; from now on he will be up against his own nature.
Dennis Gabor
Inventing the Future, 1964