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Life on the Rocks

The Black Oystercatcher nests in rocky depressions just above the high tide line and feeds on limpets, mussels and crabs. They don't, however, eat oysters.

Article Imagephoto by Deborah AndersonAn adult Black Oystercatcher and its baby on an outcropping of offshore rocks. Among the many colorful Pacific coast shorebirds, the Black Oystercatcher is remarkable. Similar in size and appearance to a large crow, the Black Oystercatcher has a long orange bill, pink legs, and yellow eyes ringed with orange. Although sometimes difficult to spot against the wet rocks of their nesting area, you'll know they are in the area by their loud, distinctive call. They nest in rocky depressions just above the high tide line and feed on limpets, mussels, crabs, and other similar creatures. They don't, however, eat oysters, preferring shellfish and mollusks with shells that crack more easily when dropped on the rocks. Black Oystercatchers are monogamous, long-lived, and frequently return each year to nest at the same site. These sometimes raucous birds are really rather shy and especially vulnerable to disturbances while nesting. They are easily spooked and may even abandon the nest if startled. In a recent report, the Fish and Wildlife Service lists the Black Oystercatcher as a "species of concern." If you are in the rocky intertidal zones from early spring through summer, you can help these birds raise their young successfully by not getting too close. All offshore rocks are protected as part of the Oregon Islands National Wildlife Refuge and no climbing is allowed. Avoid letting dogs run free in nesting areas. Likewise, don't shoot off firecrackers or run loud engines along the shorelines. If you see a pair feeding at low tide, consider yourself lucky, and allow the birds some quiet consideration.

NOTE: Click below to read our blog post about a recent dramatic Oystercatcher chick rescue in Cannon Beach! - by Theresa Myers

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