FIELD NOTES DOUG BELL DATE: 18 APRIL 1986 LOCATION: Alcatraz Island, San Francisco Co., Calif. WEATHER: Hazy, but sunny. Moderate wind to heavy wind TIME: 12:00 noon - 15:00 hrs. Gathering up wood and remains of blind that flew down from its "perch" on the cistern. Most pieces present - looks like it could be repaired. Katie Muir and Emilie Martens are with me - they are collecting data on food remains and nest sites for Zoo 107 projects. As far as the gulls are concerned - not much has changed since last visit. Many birds on the cistern are paired. Some squabbling over territories going on. Mild alarm when Katie and Emilie go thru the colony on the cistern. I'm not paying close attention to the gulls - as I'm busy with the blind. Four Western Kingbirds seen near the cistern - making a number of calls - flitting about - foraging every so often. Wind picking up.