Walking on the cliff trail at MacKerricher State Park yesterday, my friends and I watched a flock of Yellow-Rumped Warblers flitting from rock to rock just above the waves. A willow thicket was nearby, so they were not far from their typical habitat. But an unexpected flash of bright color where the white/gray/brown of our regular shorebirds is the usual color scheme. We speculated that they were attracted by the clouds of tiny flies that hovered above a coil of freshly washed-up bull kelp.