F is for "flutter". We have a window feeder and I love to watch the black capped chickadees swoop in to get a sunflower seed. Sometimes my camera catches the "fluttering" of their wings as they quickly change direction.
A frisky fellow at a flapping festival Nicely done
Here are a few more...these shots were taken during Thunder Over Louisville..."Fireworks" These are the best Fireworks I have ever seen...Shot from 2 barges on the Ohio River...After an all day Free Air Show...