Palo Alto Baylands Preserve, Palo Alto, CA
I was at the local duck pond taking photos when this gull landed on a post right in front of me. He started opening his mouth open wide, and I was able to get a couple of shots off.
Cropped, sharpened, slight exposure adjustment made
Canon 7D, 70-200f2.8L IS II and 2x teleconverter plus fill flash