FEMALE RUBY-THROATED HUMMINGBIRD, GREEN, MICHIGAN, AUGUST 16, 2013
Pentax F* 300mm f4.5
1/6400 sec. f8
The shutter speed of 1/6400 second was not quite fast enough to stop the tip of the wing on the downstroke, as 1/8000 was for the upstroke in the previous photo, but it came close anyway.