Exposure is again a challenge here, and even though the histogram shows otherwise, the front edge of the right wing does appear a bit 'hot'. I didn't have my polarizer on at this time, and I think this would have helped. Canon 100-400 with Canon 1.4x II Teleconverter at 560 mm, ISO 200, f/8, 1/500 second, Wimberley Sidekick/Arca Swiss Ballhead/Gitzo Tripod (manual mode, manual focus).