DeBenedictis 1964 Creegus Feb 19 Punta Suarez, Isla Espanola, Galapagos thick neck walked towards the remaining bird, the bill curved at the latter, then extended and thrust the neck. The 2nd gull flew away. No wing opening except when the 2nd gull chased the 1st away. The dropping of the carpal seems to correlate with the height of the neck. My total impression is of a graded attack display, in an "oblique" posture. Bill clowns are not infrequent and show the rape clearly. Seems to occur as often in isolation as during attacks. Relation to attacks not clear to me. Maybe an appeasement display. About 5 birds were out on a ledge and 3 were in attack position. One of these birds began to "choke" and 2 birds under a ledge 10-15 ft. away together choked. tail not very high, carpals? covered. The two together were oriented , Posture tongue? a rough, forced whistle, "ee'eh" accompanied the slow up and down move- ment of the beak.