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The California ground squirrel is a large, long-tailed gray squirrel with a large, nearly-black, triangular patch between light-gray shoulder patches. The gray dorsal pelage is speckled with buffy white spots. The tail is bushy, but not so full and spreading as those of tree squirrels. In Oregon, it occurs throughout the area west of the Cascade Range and throughout much of Central Oregon. It is considered among the most generalized of the ground squirrels as it inhabits a variety of habitats. Although it is a ground-dwelling squirrel, it has a strong propensity to climb. It is commonly observed sitting on

The Washington ground squirrel is the smaller of the two short-tailed, spotted ground squirrels in Oregon. The dorsum has squarish grayish-white spots on a background of pale smoky-gray with a pinkish wash to brownish gray. This squirrel is endemic to the Deschutes-Columbia Plateau Province east and south of the Columbia River and east of the John Day River. A colonial species, it emerges from dormancy in January to early March, males before females. At the approach of a potential threat, the Washington ground squirrel produces a soft, lisping whistle. Other members of the colony respond by standing upright, repeating the

The Western red-backed vole is among the smaller of the voles in Oregon. The pelage consists of a vaguely demarked reddish-brown or chestnut-brown stripe on the dorsum grading to buffy gray to dark gray on the sides and venter; the tail is indistinctly bi-colored, light grayish-brown above and whitish below. This vole occurs from the Columbia River south through the Coast Range. It does not occur in the Willamette Valley or other interior valleys west of the Cascade Mountains. It is a denizen of forest habitats, but tends to be most abundant in closed canopy old-growth forests containing an abundance

Arguably the most widely recognized of Oregon's birds, the American robin is the largest, most abundant, and most widespread thrush in the state. Ranging from sea level to treeline, the robin's loud, musical voice and conspicuous brick-red chest make it unmistakable to even the most casual of observers. The robin thrives in both human-dominated and natural landscapes and is considered to be a habitat generalist throughout its range. Considering the robin's natural history, we know most about its diet, which comprises primarily of soft invertebrates in the spring and summer and fruit in the fall and winter. It is most

The pied-billed grebe is an aquatic species that breeds at the edge of open water in freshwater lakes, ponds, sluggish rivers, and marshes. When disturbed, it sinks like a submarine, rather than diving, and re-emerges with only its head above water. This is a brownish grebe with a black vertical bar in the middle of the rather stubby, whitish bill, and jet-black throat patch on both sexes in alternate plumage. It has a surprisingly loud "yelping" call within a marsh. Young have striking stripes on the head. This bird is widespread and common in Oregon. It winters locally in open

Characteristic of open country and cold weather, the Rough-legged hawk can be found soaring over exposed terrain or perched on utility poles across much of the state in winter. The rough appearance of its legs comes from the feathers covering their length, an adaptation that provides extra warmth in frigid weather. In flight, dark wrist patches and belly help identify this large buteo, though like other hawks it is subject to much variation in plumage. From a distance it frequently appears to have a frosty upper half. It often hovers over fields while hunting, a behavior that is rare among

The Golden eagle is the largest soaring raptor inhabiting open country and mountainous terrain in eastern Oregon. A powerful and skillful hunter, the Golden eagle has become the National icon of the American West. A very large, dark raptor, the nape golden in all plumages, the females are slightly larger. Juvenile birds show white patches at the base of the primaries and a white tail with a broad dark terminal band. They are common residents in all Oregon counties east of the Cascade range. The Golden eagle inhabits shrub-steppe, grassland, juniper, and open ponderosa pine and mixed conifer/deciduous habitats. It

The enigmatic Solitary sandpiper may be one of the least understood of Oregon's regularly occurring shorebirds. As its name implies, the species is most often found singly, and it rarely occurs in groups of more than two individuals. The Solitary sandpiper frequents habitats not often utilized by other migrant shorebirds, such as smaller and often partly wooded patches of water, and high-altitude bogs and wet meadows. It is an uncommon to rare migrant in fresh water or brackish habitats throughout Oregon; rarest along outer coast and in alkali habitats. Spring adults more common in the western interior valleys; fall juveniles

This tall, pale wader is often first detected by its ringing calls as a small flock maneuvers to land in shallow water along an estuary or lakeshore. The long, often slightly upturned bill and very long yellow legs make this one of the easier shorebirds to identify despite its subdued, speckled gray and white plumage. It is an uncommon to locally common migrant on shorelines and open wet areas statewide. It winters on the coast and locally inland. In addition to using shallow water in estuaries and along lake margins, these birds can often be found in flooded pastureland, especially

A large, long-legged wader distinguished from similar species in a flight by flashing rufous underwings and dark brown primaries. Its feet extend beyond tail tip in flight. Flocks generally consist of fewer than 50 birds on the coast. Juveniles migrate south several weeks later than most adults. After mid-November, a few stragglers are seen until late December. The Marbled godwit is a regular spring and fall migrant on the Oregon coast. Spring migration commences in early April and extends through early June on the coast. Its average arrival at the Malheur National Wildlife Reserve is April 27. Hear the call

The noisy and frenetic Ruddy turnstone is a stocky, plover-like bird who's breeding plumage is a clown like pattern of black, rust and white. Ruddy turnstones have been found foraging in the company of many other shorebird species. Found on rocky shores, jetties, open ocean beaches, mud flats, salicornia marshes, grass flats and flooded fields, the Ruddy turnstone is an opportunistic feeder. It is an uncommon to common spring and fall transient along the coast; a few birds remain to winter there each year. The largest flocks are seen during spring and fall migration at Bandon. They are an irregular

The nasal meow of the Franklin's gull can be heard as it soars above wetlands and meadows, and colonies of this species are reported to be the loudest of all the gulls. In breeding plumage, the black hood contrasts sharply with the white breast and bright red bill. This species depends much more on insects and other invertebrates than do other gulls, and is therefore considered economically beneficial and favored by farmers. The Franklin's gull occurs in the southeast portion of the state in spring and summer, especially Harney Basin. It is rare west of the Cascades. It nests locally

During the breeding season Pigeon guillemots are easily seen flying low over the water along rocky coastlines or in estuaries. They have striking red feet, legs, and mouth linings and their large white wing patches contrast markedly with the rest of their black plumage. When standing on land they have a distinctive upright posture and often emit a high-pitched squeal. In the non breeding season they move offshore and look entirely different when their black plumage becomes mottled with white. The Pigeon guillemot occurs during the breeding season all along the Oregon coast wherever offshore islands or rocky cliffs are

One of the most startling sounds in the black of night is the loud, harsh call of the Barn owl as it flies over field or marsh in search of small rodents. They are white to tan beneath with fine spotting ranging from almost none to fairly extensive. The face has a well-defined facial disc that acts as a parabolic dish collecting the faint sounds of its prey, allowing it to hunt successfully in total darkness. Male and female Barn owls are similar in appearance though the female is somewhat larger. The Barn owl is a fairly common permanent resident

This diminutive owl is one of the smallest in North America, with a body mass of about 1.9 ounces. It has dark eyes, brown plumage with darker and reddish variegations, and small ear tufts. The Flammulated owl is unique among owls in the Pacific Northwest in that it preys almost exclusively on insects and is a neotropical migrant. Additionally, the pitch of its rather ventriloquial hoot is among the lowest of all North American owls. The Flammulated owl breeds on the eastern slope of the Cascades, in the Blue and Wallowa mountains, and in small numbers in the mountains of

Because of its association with old forests, this inconspicuous, dark brown owl has become one of the most controversial birds in the Pacific Northwest. The dark eyes and creamy white mottling on the breast and abdomen are distinctive, as is the lack of fear of humans. Both adults and young will typically allow humans to approach within a few feet, and it is not unusual for curious juveniles to follow hikers through the woods. The Northern spotted owl is a permanent resident in forested regions of western Oregon, from the coastal mountains to the eastern foothills of the Cascade Range

The Barred owl expanded its range from the eastern United States. It was first reported in Oregon in the early 1970s and has since spread to forested areas throughout most of the state. Sometimes confused with the closely related Northern spotted owl, the Barred owl is large with grayish-brown and white feathers and stripes on its chest and throat. It is easily distinguished from the Northern spotted owl by the pronounced horizontal barring across the throat and upper breast, and vertical brown streaks on the lower breast and abdomen. The Barred owl is now a permanent resident in forests of

The Common nighthawk is a migrant to Oregon with one of the longest migration distances of any North American bird. It is also one of the last to arrive in Oregon. Long, slender wings are marked by a white patch on the "hand" visible in flight from great distances. When perched on the ground, the cryptic brown, gray, and black mottling makes the bird almost invisible. This bird breeds and migrates at all elevations through the state. Its nesting habitat is characterized by open landscapes with little ground cover and is most abundant in sagebrush and rocky scablands and rimrock

The down-slurred pee-eer call of this flycatcher is one of Oregon's most characteristic summertime bird sounds. Wherever there is a canopy of mature deciduous trees, one is likely to hear the call during warm afternoons when most other birds are silent. Because the call can easily be heard, it can usually be found perched near the tip of a dead branch from which it frequently flies a short distance to capture a flying insect, or to chase an intruder from its territory. The Western wood-pewee is a common migrant and fairly common breeder statewide in open groves of trees or