A progressive set of images showing a herring gull in silhouette perched on a roof top pinnacle

alarm, apex, away, beak, bill, bird, call, charadriiformes, cone, cry, dots, exit, eye, feathers, flanks, get lost, gull, herring, humour, intimidate, keep going, land, landing, laridae, larus argentatus, lesser coverts, make room, mirrors, move over, obstinate, peak, pest, pinnacle, plumage, pushing, pyramid, roof, seagull, silhouette, spot, summit, take off, tarsus, tertials, tibio-tarsal, tops, tower, vocal, web, wobble,