Hey Gerry,
Very nice wing position and BG. Did you try lightening the rear wing by the bill a touch.....just to make it stand out even more.....just something to possible try. Fantastic all around.
Thanks everyone. Here's some of the data as requested on the chickadee in flight image:
Canon EOS 50D, Lens: EF70-200mm f/2.8L IS USM
Shutter speed: 1/320 sec
Aperture: 22
Exposure mode: Manual
ISO: 125
Focal length: 170mm