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This seabird, the most abundant in Oregon, has recently suffered severe declines or significant population shift in the eastern North Pacific. Similar in shape to thin, long-winged gulls, sooty shearwaters are dark sooty gray with limited amounts of white on the underwing coverts. They glide on wind currents along wave troughs on stiff wings. Gregarious, they form huge loose flocks in migration, often passing for hours within site of land-based observers. In Oregon, it is an abundant summer visitor and transient offshore on the inner shelf and is most numerous three to six miles offshore. Hear the call of the…

These very abundant seabirds are uncommon off Oregon in winter. Their arrival coincides with some of the Pacific Northwest's stormiest weather. Complicating detection difficulties is their identification; they look very much like the abundant sooty shearwaters - all dark, but slightly smaller with shorter bills and tails. Studied on their Tasmanian breeding grounds continuously for over 45 years, once they leave for the open ocean little is known about them. Popularly know as "muttonbirds," they have been harvested as food for centuries on their southern seas breeding islands. Even today, up to 300,000 chicks are harvested in Tasmania each year…

In Oregon, fork-tailed storm-petrels breed in numbers that are only a tiny fraction of those of Leach's storm petrels. This is the larger of the two storm-petrels breeding in Oregon and is gray in color. These birds leave and return to breeding colonies only at night, when they are best detected by their distinct raspy call. At sea, they are distinguished by quick, buoyant flight with short glides interspersed with wing fluttering to maintain their position at a food source. Fewer than 20 nests have been found in Oregon, all located in the same habitat as colonies of Leach's storm…

Oregon has two species of pelicans, American white and the Brown pelican, and three species of cormorants. All are fish-eating water birds with four toes joined by webbing. Depending on the species, pelicans and cormorants inhabit the Oregon coast, rivers or interior waterbodies.

Commonly found along beaches and about estuaries, this large, ponderous bird is a conspicuous member of the summer coastal community, easily recognized by its large size, massive bill, and brownish plumage. Highly gregarious, it often forms large flocks; regularly observed foraging over the ocean just offshore. Brown pelicans often join mixed flocks of birds attracted to schools of small fish. They are common spring, summer, and fall visitors along the Oregon coast. Brown pelicans are an Oregon Conservation Strategy Species in the Nearshore ecoregion. Hear the call of the brown pelican Photo by Michael Lazott

Brandt's cormorants nest colonially on offshore islands and mainland cliffs and are the most common of the cormorants on the Oregon coast in summer. In the breeding season, males are easily distinguished by their intense blue gulag pouches, displayed with a skyward pointing of the bill. They also have wispy white plumes along the side of their head and on their back, which show well against the solid black of the rest of their plumage. In bright light they have a green iridescence. During all seasons they can be distinguished from the two other Oregon species by buff-colored feathers that…