Does this count as synchronized preening? Three Gulls sitting on rocks overlooking Loch Indaal from the Rhinns of Islay are preening the same area of their bodies.
An evening view in Machir Bay on the west coast of Islay. A flock of Seagulls is flying past, just above the breaking waves. The rocks of Eilean an Tannais-Sgeir in the background.