ML642122935

觀察細節

Black-backed gull species (presumably continuing LBBG found by Tate). Looked gigantic though. I'm fairly sure the flight photos and video are the same bird but can't be 100% certain. I looked away for a moment and the bird was gone and I refound this bird in flight and captured the video immediately. Larger than nearby RBGU. Legs not seen and lighting was otherwise pretty poor. In addition to being the expected black-backed species, feedback from others also agree that this is LBBG.