E.C.Aldrich 1937 A frequent sight was to see a white-headed adult Glaucous-winged or Western cull with a black spot behind the eye similar to the spot behind the Bonepeter's eye in winter plumage. The size of the spot wasn't constant however and sometimes was almost a complete ring. Watching many of the gulls scratch their heads & necks with their feet gave us a clue as to the cause. Their feet had been "oiled" with blobs of grease. Some of the birds on the beach were positively unidentifiable because they were so heavily oiled and greased that the outline and sign of the bill couldn't be noted. Those birds that weren't so heavily oiled & sought shelter at the base of the cliffs were frequently found dead in their natural positions. I recall seeing an adult Murre in breeding plumage (some were in winter