June 21, 1987 at 06:30, shot 2 gulls at Agate Beach Sanitary Landfill (OAB 192, 193). Spent all day doing my birds. 18:30 - at the OSU Marine Science Center Dock to the WECOMA. Based on primary pigmentation; it looks like I see one WG pair on boat dock, one WG sitting on a nest on pillings, a WG+ Hybrid standing next to each other on pillings, and 8 WG ; 1 sub ad. CWG, one Ad GWG, and one Hybrid standing individually on pillings in this bay area. 19:15 - On access road to Yaquina Light house (Bfm) - 4 nest of probable CWG along bluff, south of the road as the road goes east -> west. Primaries = dark color (both light). Bird sitting on nest is good CWG-Type: dark iris, (no pupil-iris contrast), pinkish eyering. Possible mate to the incubating bird soaring about above the nest, chasing other gulls (This bird also looks "GWG"). 19:41 - at Yaquina Head, on small rock just south of light: 18 WG, 2 Hybrids, 1 CWG ; latter 3 sitting on nests; total 9 nests visible, some birds or eggs, some 1 chicks. One sitting hybrid bird has contrasting pupil-iris + yellowish eye ring. On south east slope of point & minor bluff visible from southern walkway: WG Pairs - 6, one hybrid pair seen copulating; one hybrid on nest incubating, another hybrid standing next to 3 chicks in nest, and 6 WG sitting in nests with mate not visible. One hybrid/GWG (?) setting - his late primaries and no-contrast eye and orangish eye ring. The above hybrid on nest w/ 3 chicks has slightly contrasting iris/pupil & yellowish eye ring. On Point in front of light: 5 nests A) 1 WG x WG (yellow eye rings, light irides), B) 1 WG x WG (yellow ring, light iris F, yellow ring, pigmented iris M - but still both birds have no so we F's contrast; the M primaries a bit lighter); 1 WGxWG. M & F have darker irises still contrast, I later 10:30 C) Both good WG D) M good WG