This guy was my #1 target bird in Churchill this year. I had missed them in all of my 3 previous attempts. Finally this year I found one!!!
http://www.glennbartley.com/To%20Pos...r%20-%2002.jpg
Camera Model: Canon EOS 7D
Shutter speed: 1/400 sec
Aperture: 5.6
Exposure compensation: +1/3
ISO: 400
Lens: EF600mm f/4L IS II USM +1.4x