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The Pacific goose barnacle is a very common find from Alaska to Baja California in Mexico, most often found attached to rocks on North America's Pacific coastline at low tide. While they may be filter feeders that will feed both plant and animal plankton that happen to drift too close to them, they  themselves are prey to gulls, oystercatchers, and multiple species of starfish. These were photographed at low tide on the Oregon coast at Hug Point.
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The Pacific goose barnacle is a very common find from Alaska to Baja California in Mexico, most often found attached to rocks on North America's Pacific coastline at low tide. While they may be filter feeders that will feed both plant and animal plankton that happen to drift too close to them, they themselves are prey to gulls, oystercatchers, and multiple species of starfish. These were photographed at low tide on the Oregon coast at Hug Point.