Ring-Billed Gull
(I.D. courtesy of Peter May)

No collection of shorebirds would be complete without at least one seagull! Canon 100-400, 1.4x II TC, at 560 mm, ISO 100, f/11 1/400 second (center-weighted mode, manual focus), handheld; 550EX with Better Beamer at +1 EV.