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The Douglas' squirrel is one of the smaller tree squirrels in Oregon. The color and markings of this squirrel differ individually, geographically and seasonally, appearing a dusky olive to brownish gray with an indistinct band of reddish brown with a blackish band along the flanks. In Oregon, it occurs in coniferous forests from the Pacific coast to as far east as western Baker County. Douglas' squirrels are active during the daylight hours year-round, although they may remain in their nests or tree dens for a day or two during inclement weather. Photo by Kathy Munsel, ODFW
These large toads have bumps on their dry skin which contain poison glands to discourage predators. Color varies between individuals ranging from gray or yellow to dark brown. They have thin white stripes along their backs and yellow bellies with dark specks. Females are larger than males and grow to five inches in length. Woodhouse’s toads live in river valleys in sagebrush and grassland habitats. They rest in burrows throughout the daytime hours and use wetlands during the breeding season. During dry weather, they burrow underground. Photo by Cameron Sponseller
The bright rusty plumage of the male cinnamon teal, a bird of western North America, is a visual delight. In flight, both males and females show powder blue in the wings as they fly fast and low, timed at nearly 60 miles per hour. They weigh only about one pound. They are a common breeder throughout the state except in western Oregon and the high Cascades. They are most common east of the Cascades. Hear the call of the cinnamon teal Photo by Maxine Wyatt
The Columbia Basin Wildlife Areas are a composition of four Oregon Dept of Fish & Wildlife managed wildlife areas located along the Columbia River, in the Columbia Basin. The four wildlife areas (Power City, Irrigon, Coyote Springs and Willow Creek) are within the Columbia Plateau ecoregion. Management agreements for these areas were initially established between 1971 and 1977 between the department and Federal agencies which owns the lands. The Columbia Basin Wildlife Areas, which total approximately 1,885 acres, provide an important landbase for the conservation and recreation of fish and wildlife within a highly privatized and altered landscape and play…
Fun facts about our bats Oregon's bats eat only insects. An adult bat eats about 1,000 insects every hour! Bats hang upside down because it gives them an ideal position for take-off. Bats can fly 20 to 30 miles an hour and travel more than 100 miles a night. A baby bat is called a pup. Young bats can fly between two and five weeks of age. Bats are the only flying mammal. ODFW's Living with bats page has tips on protecting at-risk populations, and more. Bat Conservation International Batty for Bats: Facts for kids (pdf) Build a bat house…
In Oregon, the opossum is considered an invasive species. The Virginia opossum is a cat-sized mammal with a pointed nose, unfurred, black, leathery ears with white edges; beady eyes; a hind foot with an opposable hallux (big toe); and a naked scaly tail. It was introduced in Oregon between 1910 and 1921. Populations were established in northwestern Oregon apparently from releases of animals brought to the state as pets or novelties. Small streams, forest communities, and agricultural lands planted to a variety of crops are typical of many habitats occupied by Virginia opossums in Oregon. They are active nocturnally and…
The heather vole is among the smaller voles in Oregon. In appearance, it strongly resembles the montane vole. It is gray to brownish on the dorsum, whitish to grayish on the venter. Two of nine nominal subspecies are purported to occur in Oregon: the lighter colored P. I. intermedius in the Blue and Wallowa mountains of northeastern Oregon and the darker P. I. oramontis in the Cascade Range. Heather voles are rather docile creatures; they usually make little attempt to flee or to defend themselves when captured. It is active during daylight hours more frequently than the Southern red-backed vole…
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…
Big Creek Hatchery began operation in 1941. It was refurbished in 1957 under the Mitchell Act as part of the Columbia River Fisheries Development Program – a program to enhance declining fish runs in the Columbia River Basin. The facility is used for adult collection, egg incubation and rearing of winter steelhead, fall Chinook, and coho.
Various dates in April
Multiple locations
During the breeding season, this gray-hooded warbler is conspicuous, singing boldly from riparian thickets, clear-cuts, and roadside brush. However, when household cares occupy the daylight hours, they become elusive as field mice, slipping about through the thickets like shadows, only the sharp alarm note betraying their presence to an intruder. After many minutes of careful pursuit, an observer is often left with only a brief glimpse of an olive-colored back or a broken white eye-ring. MacGillivray's warbler is one species that appears to thrive in areas that have been disturbed by industrial forest practices. It has been reported from every…
The yellow-pine chipmunk is one of the smallest in Oregon, only slightly larger than the least chipmunk. Its face is marked with a dark stripe, followed laterally by two alternate light and dark stripes. The outermost light strip is nearly white. It occurs on the east slope of the Western Cascades and eastward through most of the remainder of Oregon, except it is absent from most of the Columbia Basin and much of southern Harney, eastern Malheur, and southern Baker counties. Its range also extends westward in the Siskiyou Mountains in southern Jackson and Josephine counties. Ponderosa pine seems to…
The least chipmunk is the smallest chipmunk in Oregon, but it is only slightly smaller than the yellow-pine chipmunk. As in all chipmunks, the face is marked with a dark stripe through the eye bordered on each side with a light- and a dark-colored stripe. The middorsum is marked with a dark-colored stripe followed on each side by two alternating light- and dark-colored stripes. The least chipmunk has the largest geographic range of any chipmunk. In Oregon, it occurs east of the Cascade Range except in the Columbia Basin and most of the Blue Mountains. In general, it is a…
The Piute ground squirrel is the other of the two small gray ground squirrels without stripes or spots. In Oregon, it occurs south of Sheepshead and Cedar mountains in Malheur County. It is a species of the High Desert and commonly occurs in habitats in which the dominant shrub is big sagebrush, saltbush, or greasewood. It is commonly associated with rocky outcrops, levees, railroad embankments, ditchbanks, and sand dunes. Some occur in fencerows and edges of alfalfa and small-grain fields. These ground squirrels are usually active for three to five months each year. They emerge from their hibernacula in February…
A thick body, small head and coloration similar to a killer whale make this dolphin easy to recognize. Dall’s porpoise is mostly black with a large white patch on the belly and flanks. The small dorsal fin is partly white and the trailing edges of the tail are frosted white. About seven feet long and weighing around 400 pounds, Dall’s live only in the north Pacific. Dall’s are the fastest of all small cetaceans and can swim at up to 35 miles per hour, almost as fast as a killer whale. When swimming at the surface they create a characteristic…
Bats are important pollinators and the only flying mammals; they use sound to locate their prey, and they live a long time. Oregon has 15 species of bats, and eight of those are Oregon Conservation Strategy Species. Strategy Species are those having small or declining populations, are at-risk, and/or of management concern. Some of Oregon's species migrate south in winter while some remain here and hibernate. Bats have echolocation which allows them to make high-pitched sounds then listen to the echo of those sounds to locate where objects are. Echolocation helps them find even the smallest insect.