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The European starling is considered an invasive species in Oregon. It was introduced from Europe. They most closely resemble blackbirds, with which they often flock in fall and winter. While both have iridescent plumage, starlings can be told from blackbirds by their two-toned wing pattern - dark upperwing, pale underwing - and during the breeding season by the bright yellow bill. Starlings adapt readily and quickly to human habitation and are highly efficient and successful breeders. However, the abundance of the bird, the rapidity with which it has spread across North America, and its propensity to cause damage to crops

This dark colored salamander has a reddish-brown ragged edged stripe that runs along the top of the head to the tip of the tail with black or dark brown sides. It has a long body and tail and the belly is black with large white flecks. The Oregon slender salamander is a lungless salamander species, relying on its skin to breathe. Mature adults can grow to just under four inches in total length, with females about 12 percent larger than males. Oregon slender salamanders are most common in stable, moist old-growth (late successional and second-growth) forests where there are abundant

The golden-mantled ground squirrel doubtlessly is the most distinctively marked ground squirrel in Oregon; a white stripe bordered on both sides by a black stripe extends from the shoulder to the hip. From nose to nape above the eye, the head is russet. The back between the stripes is grizzled dark grayish-brown becoming less grizzled on the rump; lateral to the stripes the color grades to a light buffy-gold on the venter. The face, shoulders, front legs, and feet are a bright orangish-gold. This ground squirrel occupies the east slope of the Cascade Range and most of central Oregon, and

The California sea lion is the mid-sized Oregon otriid. The body is slender and tapering, the flippers are relatively small, and the rear flippers can be rotated beneath the body for moving on land. The short, course pelage lacks dense underfur; when dry, it usually is chocolate brown, but individuals with light-tan pelage are known to occur. The pelage appears black when wet. In older males, the pate is tan. The occurrence of the California sea lion along the Oregon coast is seasonal. The primary areas where it comes ashore are Cascade Head, Tillamook County; Cape Argo, Coos County; and

Greater sage-grouse are best known for their elaborate courtship displays that occur on traditional strutting grounds, known as leks, where males gather each spring. At all seasons, both sexes are readily identified by large size and chicken-like build. Adults are mottled dark gray, black and buff, with black bellies and pointed tails. Males have specializations used in display. Their tail feathers are long and pointed with white spots. They have yellow combs over each eye and a chest sac with two bare, yellow patches of skin which are inflated during display. The display lasts only a few seconds and is

This sturdy-looking bird has a large head, short tail, and massive conical bill adapted for seed eating. The male plumage features bold patches of lemon yellow shading into olive, then brown and black, with white secondaries creating a flashy wing-patch easily seen in flight. The male's bill is chalky white in winter, but changes in early spring to a pale green that matches the new growth at the tips of spruce boughs, where they often nest. Many encounters with this species are of individuals heard flying high overhead, leaving the observer with little else to note. The Evening grosbeak is

Features: Bullheads present in Oregon are distinguished from channel catfish by their square or rounded tails and lack of spotting. They seldom exceed 18 inches in length and a weight of 2 pounds. Yellow bullheads are a more uniform yellow color with white or cream chin barbels and a rounded tail. Habitat: Bullheads are found on the bottom in the shallows of mud-bottomed ponds, lakes, reservoirs and backwaters of rivers. The yellow bullhead is found mainly in the Willamette basin. Technique: Bullheads can be caught any month of the year, but fishing is best from the first warm days of

The Northern harrier is a slender, medium-sized hawk characterized by a noticeably long tail, bold white rump patch, and owl-like face. Commonly encountered in large expanses of open country, its main hunting technique is through use of a distinctive buoyant, gliding flight low over the ground that relies heavily on visual as well as auditory cues to detect prey. The larger females have rich brown upperparts while adult males are mostly light to medium gray, sometimes appearing almost ghostly silvery-white. Males are noted for their high-spirited and acrobatic courtship displays, in particular a series of dives and barrel rolls in

In grass or sagebrush-dominated habitats throughout the state, the song and striking appearance of the Western meadowlark create one of the most familiar and endearing avian images in Oregon. It's one of Oregon's most recognizable birds with its bold yellow breast and belly with a distinct black V across the chest and its habit of perching on fences along roadsides. Fittingly, it was chosen as Oregon's state bird by a vote of Oregon schoolchildren ratified by the Legislature in 1927. It is one of the most widely distributed open-country species in the arid desert country of eastern Oregon. It can

Features: Bullheads found in Oregon are distinguished from channel catfish by their square or rounded tails and lack of spotting. They seldom exceed two pounds and 18-inches long. Brown bullheads are a mottled yellowish-brown with a yellow belly and dark chin “whiskers” or barbels that are white near the base. They have a square tail. Habitat: Bullheads are found on the bottom in the shallows of mud-bottomed ponds, lakes, reservoirs and backwaters of rivers. The brown species is common throughout the state. Technique: Bullheads can be caught any month of the year, but fishing is best from the first warm

The bright yellow, red, and black plumage of the male Western Tanager, so conspicuous in open situations is very obscure in forested areas where it tends to blend into the shaded foliage. The species perhaps is best known in migration when it visits city parks, orchards, and other open urban and suburban areas. It is attracted to birdbaths but seldom to bird feeders. It breeds in open coniferous forests and mixed coniferous and deciduous woodlands, primarily in mountains. They usually nest in conifers - rarely deciduous trees - at varying heights, usually well out on a branch, often at the

Features: Bullheads present in Oregon (brown, yellow and black) are distinguished from channel catfish by their square or rounded tails and lack of spotting. They seldom exceed two pounds and 18-inches long. Black bullheads have a square tail with a light vertical bar at its base and chin barbels that are all dark. Habitat: Bullheads are found on the bottom in the shallows of mud-bottomed ponds, lakes, reservoirs and backwaters of rivers. The black bullhead is primarily in reservoirs and streams tributary to the Snake River. Bullheads feed on almost any type of plant or animal material; insect larvae and

The Pacific white-sided dolphin is most abundant in the Southern California Bight in winter, but move further north, off Oregon and Washington in summer. These animals can be found from the tip of Baja to the Aleutians and the western Pacific from the Kuril Islands to Japan. They prefer deep, off-shore waters, so sightings are usually limited to recreational and commercial fishers. The Pacific white-sided dolphin is about seven or eight feet long. It has three colors: the chin, throat and belly are creamy white; the beak, flippers, back, and dorsal fin are a dark gray, and there are light

The black rat is slightly smaller than the Norway rat, but much larger than the house mouse, the only other members of the subfamily in Oregon. The black rat is similar to other members of the subfamily in that it possesses a scaly, scantily haired tail; membranous, nearly naked ears, and a soft pelage. It differs from the Norway rat in having a tail much longer than the length of its head and body and commonly having a darker-colored pelage. The pelage ranges from black to sandy brown dorsally and from lead colored to nearly white ventrally. The black rat