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Seabirds of the Oregon Coast

10.20.17

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Seabirds of the Oregon Coast

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  • Yaquina Head close-up of common murre. Photo courtesy of Shawn Stephensen/USFWS.- Seabirds of the Oregon Coast
  • Tufted puffin. Photo courtesy of Peter Davis/USFWS.- Seabirds of the Oregon Coast
  • Black oystercatcher. Photo courtesy of Dan Magneson/USFWS.- Seabirds of the Oregon Coast
  • Brown pelican. Photo courtesy of Roy W. Lowe/USFWS.- Seabirds of the Oregon Coast
  • Common murre and Brandt's Cormorant. Photo courtesy of R. Lowe/USFWS.- Seabirds of the Oregon Coast
  • Double-crested cormorant. Photo courtesy of Dan Magneson/USFWS.- Seabirds of the Oregon Coast
  • Pelagic cormorant. Photo courtesy of Roy W. Lowe/USFWS.- Seabirds of the Oregon Coast
  • Western gull and baby chicks. Photo courtesy of Nikki Roach/USFWS. - Seabirds of the Oregon Coast
  • Marbled murrelet. Photo courtesy of R. Lowe/USFWS.- Seabirds of the Oregon Coast
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Contributor

This article is provided courtesy of the U.S. Fish and Wildlife Service.

Seabirds spend most of their lives in the open ocean and have special adaptations to survive this cold and wet environment. Thick, waterproof feathers keep them warm; a special gland near their eye removes excess salt from their bodies; sharp, pointed beaks catch and hold slippery fish and other aquatic quarry; strong, pointed wings help some seabirds "fly" underwater; and webbed feet propel them efficiently toward their prey. Below are some notable species found along the Oregon coast.

Yaquina Head close-up of Common Murre. Photo courtesy of Shawn Stephensen/USFWS.

Common murre

The Common Murre is Oregon’s most abundant nesting seabird—more than 700,000 flock to our rocky coasts in spring to breed. They raise their chicks on rocks and cliff ledges in colonies of tens of thousands of birds. Colony Rock boasts the largest number of Common Murre; view them from Yaquina Head Outstanding Natural Area in the summer. You can also see them from Coquille Point in Bandon and Heceta Head and Cape Meares State Scenic Viewpoints. Learn "murre" about these gregarious seabirds.


Tufted puffin. Photo courtesy of Peter Davis/USFWS.
 

Tufted puffin

The tufted puffin easily wins the title of "most-wanted bird to see" among nature enthusiasts visiting the coast of Oregon. Known to some as "parrots of the sea," these charismatic birds return annually to a few nesting islands on the coast. Viewing locations include Haystack Rock at Cannon Beach, Face Rock in Bandon and Goat Island at Harris Beach State Park.

Pigeon guillemot

A chunky pigeon-like build gives the pigeon guillemot its name, though it's more closely related to puffins. During the breeding season, bright red legs and feet along with white wing patches make these seabirds easy to identify. Guillemots make nests in the crevices of rocks, where both parents help raise a brood of three chicks. Viewing locations include Haystack Rock at Cannon Beach, Yaquina Head Outstanding Natural Area and Seal Rock State Recreation Site.

Black oystercatcher. Photo courtesy of Dan Magneson/USFWS.

Black oystercatcher

Often found poking around rocky shorelines in the intertidal zone, black oystercatchers are a chatty, vivacious presence. Despite its name, this vermillion-beaked shorebird catches not oysters but mainly mussels and limpets for food. Black oystercatchers nest just above the high-tide mark on beaches and slopes in areas where prey is abundant. Outside of the breeding season, look for flocks of these unmistakable birds foraging on our coast.

Brown pelicans overwintering at Oregon Coast National Wildlife Refuge. Photo courtesy of Roy W. Lowe/USFWS.

Brown pelican

California brown pelicans are huge and unmistakable visitors to the Oregon coast, stopping by on their migration to and from winter breeding grounds in southern California and Mexico. Since breeding occurs from January to May, many pelicans spend the summer months "wintering" here afterward. Watch their spectacular sidelong dives into the water for prey, using their famed 3-gallon throat pouches as scoops. Only one other pelican (the closely related Peruvian species) feeds via plunge-diving—the rest of the world's eight pelican species employ less daring tactics. Look for low-flying squadrons of Brown Pelicans gliding in formation over the Pacific, wingtips nearly brushing, undulating gracefully above the waves.

Common murre and Brandt's cormorant. Photo courtesy of Roy W. Lowe/USFWS.

Brandt's cormorant

Brandt's cormorants are one of three cormorant species found regularly on the Oregon coast. Distinguished by a comparatively short tail and blue throat in breeding season, they nest colonially on rocks and headlands and are the most common of the cormorants on the Oregon coast in the summer. Like all cormorants, their feathers are not waterproof—this decreases their buoyancy, making it easier for them to dive for fish. Brandt's Cormorants can be seen from April to August at Yaquina Head Outstanding Natural Area, Heceta Head State Scenic Viewpoint, and Coquille Point.

Double-crested cormorant. Photo courtesy of Dan Magneson/USFWS.

Double-crested cormorant

The most abundant cormorant species throughout Oregon. Found in both fresh- and saltwater habitats, Double-crested cormorants get their name from the jaunty white plumes sported by breeding adults. Most of the year, these birds can be identified by their yellowish cheeks and lores—the area between the bill and eye. Watch for them perched on rocks and dock pilings, wings outspread to dry in the sun.

Pelagic cormorant. Photo courtesy of Roy W. Lowe/USFWS.

Pelagic cormorant

Our smallest cormorant, known by its thin neck and bill, comparatively long tail, and iridescent green-black plumage. Breeding adults have red lores and white patches near the rump. Pelagic means "living in open oceans or seas," and these cormorants stay true to form, almost never venturing inland to freshwater. Look for their nesting colonies at Coquille Point, Haystack Rock at Cannon Beach, and Yaquina Head Outstanding Natural Area.

Western gull and baby chicks. Photo courtesy of Nikki Roach/USFWS.

Western gull

In an area teeming with gulls, the pink-legged, slaty-backed western gull is coastal Oregon's most abundant. Proper identification takes uncommon patience and skill, as well as a fondness for minutiae. Confusing matters further, western gulls hybridize easily with several other gull species—the intergrades can be all but inscrutable. Western gulls are opportunistic and rapacious feeders, often preying on the young of other nesting seabirds.

Leach's storm-petrel

Leach's storm-petrel is a roughly robin-sized, narrow-winged pelagic bird, rarely seen near shore outside of breeding season. Fifteen offshore rocks within Oregon Islands National Wildlife Refuge are breeding sites for this colonial, burrow-nesting species. The smallest pelagic breeding seabird in Oregon, Leach's storm-petrels will fly more than 100 miles offshore to feed on shrimp, fish and squid. They return at night to regurgitate food for their chicks, using a well-developed sense of smell to locate individual burrows amidst the colony.

Rhinoceros auklet

These are one of Oregon's rarer breeding alcids—the family of superficially duck-like oceanic birds that come to land only to nest, typically in colonies. During the breeding season these seabirds grow a vertical horn-like structure at the base of the upper mandible, hence the name. Closely related to the puffin, the rhinoceros auklet likewise feeds on sand lance, herring, anchovies, and smelt. They feed offshore during the day and return to the colonies at night to avoid predation by gulls. Rhinocerous auklets can be seen breeding in the Sea Lion Caves south of Cape Perpetua.

Cassin's auklet

Like the rhinoceros auklet and tufted puffin, Cassin's auklets dig burrows for their nests, typically 2 to 6 feet long. This small, chunky, blue-legged auklet is the only known Northern Hemisphere seabird that can raise two broods in a season. They spend the winter at open sea and are the most common alcid seen off the Oregon coast. Despite this, not many Cassin's Auklets breed here—there are less than a dozen sites and fewer than 1,000 nesting birds.

Marbled murrelet. Photo courtesy of R. Lowe/USFWS.

Marbled murrelet

Unique among alcids, Marbled Murrelets are solitary nesters in an unusual habitat: coastal old-growth coniferous forest. Nests are made in trees up to 250 feet high in groves up to 30 inland. They dine on typical alcid fare, though: small fish and krill. It was not until 1974 that the first Marbled Murrelet nest was discovered, and as of the late 1980s only 10 nests had ever been seen worldwide. At sea, marbled murrelets can be found during breeding season at Boiler Bay in Depoe Bay, Yaquina Head Outstanding Natural Area, and Cape Perpetua Scenic Area.

Threats to marine wildlife

Marine wildlife are extremely vulnerable to changes in the ecosystem, both natural and human-caused. Major threats include:

  • Habitat loss and destruction 
  • Disturbance 
  • Light pollution
  • Discarded fishing hooks, monofilament line, and old nets
  • Plastic
  • Toxic contaminants including oil spills, pesticides, and non-point source pollution  
  • Global climate change

Be part of the solution

When walking the beach or exploring the rocky intertidal

  • Avoid areas where birds are nesting 
  • During breeding season, leave dogs at home or use a leash  
  • Never let your dogs chase birds 
  • If you flush a bird, slowly step away and leave the area  
  • Pack out all trash 
  • Discard monofilament line and fish hooks in trash cans  
  • Cut six-pack rings before discarding  
  • Never dump fuel, oil, or other hazardous liquids on the ground or in drains

Reduce light pollution:

  • Reduce light pollution 
  • Do not shine bright lights directly at cliffs and islands where seabirds nest 
  • Use only navigation and safety lights when anchored 
  • Use minimal wattage bulbs 
  • Keep lights shielded and directed downwards

Human disturbance

Whether by land, sea or air, human disturbance can be disastrous to seabirds and it is against the law. Even relatively minor commotions can force the birds to expend precious energy that can reduce their reproductive success and survival. Low flying aircraft and close approaching boats can disturb common murre, causing them to fly from their eggs or chicks. This disturbance leaves eggs and chicks exposed, allowing gulls and ravens to take advantage by eating them. Marine mammals will also flee their colony site if disturbed, often leaving pups behind and in some cases crushing them during their escape.

Effects of disturbance can include (in order of severity from least to worst):

  • Distraction from normal activities 
  • Less time tending young
  • Parents may leave their nest, exposing eggs or chicks to predators or the elements (heat/cold) 
  • Nests may be destroyed 
  • Parents may be injured or killed 
  • Colony may be abandoned

Be aware

Be aware of the wildlife around you. If birds are behaving nervously, you are too close. Signs of distress include head bobbing, excessive calling, and fluttering. If a bird is dive-bombing or appears to have a broken wing, it is trying to lure you away from its nest. Watch your feet and move carefully away.

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A profound concept originally envisioned by governor Oswald West, in 1967 the Oregon legislature ultimately realized his vision of making the entire Oregon Coast forever open to the public in a piece of landmark legislation titled the Oregon Beach Bill, officially making all 363 miles public land. "The People's Coast" is truly a one-of-a-kind coastline, a unique blend of mountains and rocky stacks, towering old growth forests, marine sanctuaries, tide pools and kelp forests, charming towns, historic fishing communities, world-class golfing, breweries, and simply jaw-dropping scenic beaches. We encourage you to plan your next trip at visittheoregoncoast.com or by calling (541) 574-2679.

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