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The world population of this species, which probably does not exceed 25,000 pairs, is quite low for a seabird. Nevertheless, these are the common light-bellied shearwaters off Oregon in summer. They are larger, bulkier, and fly more deliberately than the usually much more abundant sooty shearwaters with which they associate. They are uniform gray-brown above; the underparts are white; the vent and underwings variably smudged with dusky. The pinkish bill is dark-tipped and the feet are pink. It is a common summer visitor and very common fall transient offshore on shallow shelf waters. It is usually seen seaward, approximately five
Flesh-footed shearwaters are always exciting birds to find, as they are one of the rarest of the seabirds to occur annually in Oregon. Single birds are sometimes found in flocks of other shearwaters. They are very similar to sooty shearwaters but they are larger with pink or pale whitish feet and dark-tipped pale bills. In addition, their plumage is a deep chocolate-brown, lacking the grayness of the upperpart coloration of sooty shearwaters; and the underwing does not show the sooty's white coverts. It is a rare late fall transient offshore at the western edge and slopes of the continental shelf
Few seabirds have been labeled "stunning;" but with their graceful flight, boldly patterned upperparts, and brilliant white underparts, these birds truly are one of the most beautiful in Oregon waters. They have a black cap, wings angled forward, long body and tail, and a unique dark 'M' pattern against light gray back and wings. Often seen in small groups mixed among other more abundant shearwaters, they sometimes form pure flocks all flying in gracefully synchronized flight. While regular in Oregon in late fall, they are still uncommon enough to excite observers when encountered at sea. Photo by Tony Morris, Flickr
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
Adaptable and opportunistic, the double-crested is the most abundant and widespread of the three cormorant species found in Oregon, occurring inland and on the coast. Adults have deep, coppery feathers, bordered in black, that glisten with a green iridescent and offset a rich orange throat atop a long curved neck. The bird earns its name from plumes, ranging from white to black, that crown either side of the head during the breeding season. The double-crested cormorant is a common breeder in spring and summer at bays and estuaries, and on islands and cliffs along the coast and lower Columbia River
Seemingly misnamed, pelagic cormorants are rarely seen far from land. During the breeding season the distinct white flank patches contrast markedly with their black plumage. In bright light the slender neck has a purple iridescent sheen, and the back shines green accenting white filoplumes. They nest in loose colonies on ledges on vertical cliffs on rocky islands and headlands. It is common year-round along the entire coast and is not found away from salt water. Hear the call of the pelagic cormorant Photo by ©Greg Gilson
Bitterns, herons, and egrets are all long-legged wading birds with long necks and pointed bills for spearing fish or other prey.
Skulking through wetlands, the American bittern is rarely seen - it has an extremely slow and stealthy walk, and when a threat approaches it freezes and mimics marshland plants with upright posture and beak pointed skyward. These behaviors combined with its cryptic plumage effectively camouflage the bird. However, it is occasionally seen in flight, and its low, gurgling song can be heard over long distances. An uncommon to fairly common breeder east of the Cascades and a rare migrant in Malheur county it has also been noted at mountain lakes east of the Cascades in Lake County. In western Oregon
This is one of the most widespread and familiar waterbirds in Oregon. It is the largest heron in North America, standing approximately four feet tall. It is slate gray with a white crown, cheeks, and throat, rusty thighs and a uniformly yellow bill. Adults develop long gray-white plumes on chest, neck, and back during breeding. Juveniles have similar plumage but may be distinguished by absence of breeding plumes, a dark crown, and dark upper bill. Great blue herons frequent many habitats from shallow areas of marshes, lakes, streams, and oceans, where they feed on fish, amphibians, and aquatic invertebrates; to
The Great egret is much larger than Snowy or Cattle egrets, and has a unique combination of yellow bill, black legs, and a cape of feathers draping beyond the tail in the breeding season. As a breeder, the Great egret is most abundant east of the Cascades, but it is present year-round in the Klamath Basin. It is more common April through November. It is also fairly common to abundant on the south coast except during summer months. In summer, it is rare west of the Cascades, but is a regular local breeder around Coos Bay. In fall, it occurs
The Snowy egret is intermediate in size between Great and Cattle egrets, and much more common in Oregon than the latter. Adults have a black bill and legs and bright yellow feet; immatures show yellow on the back of their legs. In the breeding season, plumes are present on head and breast, and curve upwards on the back. The Snowy egret breeds regularly, in varying numbers, primarily in eastern Oregon. It is uncommon to fairly common spring through fall in the Klamath Basin and occasional in the northeast Malheur County. On the south coast it is rarely found in summer
Though less conspicuous than Great blue herons, Green herons are well-established residents of western Oregon. They are distinguished by small size, glossy greenish-black cap and back, yellow legs, blackish-green wings, gray underparts, and dark red neck. One of the few tool-using birds, Green herons are experts at making and using baits and lures, such as bread crusts, mayflies, earthworms, sticks, and feathers to catch fish. The Green heron is an uncommon but regular migrant and summer resident throughout west and south central Oregon. Detection of nests is difficult and breeding status uncertain in some areas due to its secretive habits
The Turkey vulture, known locally as a "buzzard," is a common sight spring through fall throughout the state, except in the highest mountains and featureless desert expanses in summer where they are uncommon. Seeing Turkey vultures returning is a welcome sign of spring. Turkey vultures are large-winged soaring birds with overall dark plumage except for a silvery sheen on the undersides of the flight feathers. Adults have small, featherless, red heads, while juveniles have gray heads. The Turkey vulture is a common to abundant transient throughout the state and an uncommon to common summer resident except in high mountains. It
As the winter day turns to dusk, White-tailed kites drop into their roosts and Short-eared owls rise to take their place on the local hunting grounds. White-tailed kites in Oregon often roost communally in winter, but they disperse in early spring and are more difficult to find during the breeding season. By day, they are conspicuous as they hover over rural fields searching for prey, in part because of their pale appearance. The tail is entirely white, as are the head and the underparts. Dark crescents on the underwing can be seen when a bird is flying or hovering. Above
The Bald eagle is one of eight species of sea-eagle worldwide, and the only sea-eagle found throughout North America. It is one of the most studied North American birds. Large size, wingspan of six-and-a-half to eight feet, and the contrast of white head and tail, and yellow eyes, beak, and leg, to dark brown body and wings make the adult Bald eagle one of our most distinctive raptors. Six age-related plumages have been recognized; adult plumage is acquired at four-and-a-half to five years of age. Sexes have similar plumages, but females are larger than males, and the sex of individuals