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Ring-bill April 19, 1955 II [[image - crosshatching doodle]] One gull chasing another in the air. Apparently attempted food robbery. No ritualized posture. But one of the birds, [[Purnier?]]?, gave call rather intermediate in quality between L.C. and Al.C. "Kra-aaa-aa-a or Ka-a-a-a", several times. 8:28 [[image - Square with X in middle]] [[pie symbol]].O.O.OO.[[pie symbol]].OL[[pie symbol]].O. [[circle]] OL[[pie symbol]].[[pie symbol]] O-P. U. U before attack U before attack CL[[pie symbol]] U before escape. Leaving 9:05 April 20, 1955 7:00 a.m. Manitoba lake front. Cloudy. Rain squalls. Warm. Little wind. Bunch of gulls on broken ice. Alarmed. [[image - square with X in middle]] L[[pie symbol]]. L[[pie symbol]]. [[pie symbol]] OL[[pie symbol]]-O-O. O !* [[male symbol]] lands. Then second bird. Both U. Then third bird Also U. [[male symbol]] attacks second bird. U-P-attack. Then U-HF (away from third bird) after second leaves Then both remaining ([[male symbol]] and third) stand in U. Preen relax. MC. Thus: [[male symbol]] U-attack on [[strikethrough]] [[?]] [[strikethrough]] neighbor-U-HF-U. [[female symbol]] U. [[circle]] U. U- P before attack - bird in U attacked - U after attack. OL[[pie symbol]]. L[[pie symbol]] L[[pie symbol]] [[pie symbol]] OLO. U. U. U. U. U during retreat. L[[pie symbol]]. OL[[pie symbol]]. U U U- P before attack - U-HF after attack. U-P before attack T before attack L[[pie symbol]]-T L[[pie symbol]]-U [[strikethrough]] [[?]] [[/strikethrough]] OL[[pie symbol]]. OL[[pie symbol]] P-OL[[pie symbol]]-P. OL[[pie symbol]]. OL[[pie symbol]]. [[underlined]] P before attack U during retreat U before escape U.O.U.L[[pie symbol]] U after attack U before attack - U between attacks - U after attack P before attack U before attack U after attack U.U. U before attack - U after attack - Bird in U attacked