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The common muskrat is the largest arvicoline rodent on Oregon. The body is heavy and rounded, and except for the tail and feet, heavily furred. The eyes are beady; the ears are rounded and almost covered with fur; the tail is flattened laterally, scaly, keeled, and naked except for a few hairs on the keel. The forefeet are relatively small, but the hind feet are large and partly webbed. The pelage consists of an exceedingly dense underfur usually overlain by glossy dark-brown guard hairs; the underfur is waterproof. Reddish, blackish, silvery, and white individuals have been recorded. In Oregon, muskrats
The Western jumping mouse is a long tailed, sleek-bodied mouse. The pelage is course. They yellowish-gray to ocherous sides are separated sharply from the pale-brown to grayish-brown dorsum; the venter is white, often washed with ochre. The tail is bicolored, but not markedly so. In Oregon, the species occurs throughout most of the area east of the Cascade range except for the Columbia Basin-Deschutes Plateau region. It also occurs in southern Jackson County. Throughout its range, it is a denizen of mountain meadows, particularly those with small streams. Without doubt, the most unique feature of the life cycle of the
The Pacific jumping mouse is a long tailed, sleek-bodied mouse. The pelage is course. The ocherous sides are separated sharply from the tawny dorsum; the venter is white, often washed with ochre. The tail is bicolored, but not markedly so. In Oregon, the species occurs in the Cascade Range and westward to the Pacific Ocean except for southern Jackson County. These mice are largely marsh and meadow dwellers but are often found along creek banks or under ferns and weeds in the woods. In September and October, these jumping mice become exceedingly fat; in captivity, they become progressively less active
Nearly wiped out in much of their historic range by early fur trappers, American beavers are now restored to many state waters due to improved management, greater awareness of their benefits, and less demand for fur. The beaver has been so significant in Oregon's history that it is our state symbol, the mascot for Oregon State University, and holds honor on the reverse side of Oregon's state flag. ODFW has many resources on our Living with Wildlife, Beaver page.
The American beaver, the largest rodent in North America, commonly weighs in excess of 55 pounds. The beaver is highly modified for aquatic life with a compact body, paddle shaped tail, webbed hind feet, valves that close their ears and nose while diving, and a rich oil gland that waterproofs their fur. Under water, membranes cover the eyes. Claws on the first and second toes are split and function in grooming; the ears and eyes are small; the tail is broad, scaly and nearly without hairs. The thick underfur is overlain with coarse guard hairs; overall, the pelage (coat) is
Large, slow-moving rodents, porcupines are found on every continent except Antarctica. There are 12 "New World" species in North, Central and South America. In Oregon, there is only one, the common porcupine.
The common porcupine is a large, short-legged rodent with up to 30,000 bare-tipped quills (modified hairs) covering the upper parts of the body and the dorsal and lateral surfaces of the tail. The quills are scattered among much longer, course guard hairs; the underfur is woolly. The quills are arranged in rows across the body, the longest quills are on the rump, the shortest on the face. Quills used in defense are replaced commencing about 10-42 days after loss. The overall color of the porcupine is dark brown or blackish. The front feet have four toes, the rear feet five
The coyote is a typical canid intermediate in size between the foxes and the gray wolf. The pelage of the coyote is grayish, buff, pinkish cinnamon, or brownish, or a combination of those colors, often overlain by blackish tipped hairs on the ears, muzzle feet, and dorsum. The lips and eyelids are black, accentuated by contrasting borders of white fur. The underparts are paler than the remainder of the body. Considerable variation in color and markings of coyotes is evident among individuals and regionally east and west of the Cascade Range. True albinos with pink eyes and pink foot pads
The gray fox is among the smaller canids in Oregon. The basic color of the gray fox is grizzled gray, but the stiff middorsal hairs have long black tips that extend onto the tail as a black mane. Guard hairs are banded white, gray, and black. The throat, venter, and inside of the legs are white; a cinnamon-rufous border to the white throat extends on the flanks and underside of the tail A blackish patch on the side of the face extends onto the lower jaw and a grayish black "exclamation point" extends upward from the interior margin of each
The kit fox is the smallest canid that occurs in Oregon. It has the typical canid conformation: the body is slim, the legs are long and thin, and the ears are large and erect. The tail is about 40 percent of the total length and is tipped with black, but has no dark mane on the dorsal surface. The feet and legs are whitish interiorly, light rusty-brown posteriorly. The dorsum is grizzled brownish-gray medially blending to grizzled gray then to light buff laterally and finally to white on the chest and venter. The head and posterior surface of the ears
The red fox has a beautiful orange-red coat, black feet, and black-tipped ears. The belly is usually white or light grey, the muzzle is narrow and pointed, and the ears are pointed. It is an opportunistic carnivore, eating what is available including small mammals, birds and their eggs, reptiles, amphibians, fruit and some insects. The red fox is territorial and mates for life Red foxes occur throughout much of Oregon.
Oregon's black bears don't always live up to their name. Their coloring can be blonde, brown, cinnamon, and of course, black. Check ODFW's Living with Wildlife, Bears for great tips on working or recreating in bear country, homeowner checklist to keep bears at bay, and more.
Black bears are the largest extant carnivores in Oregon. They are, however, smaller than grizzly bears, and they lack the grizzly's distinctive shoulder hump. A black bear is heavily built with stout legs and large feet. The eyes and ears are relatively small and the tail is extremely short. The claws are recurved but relatively short with those on the forefeet equal to or only slightly longer than those on the hind feet. The characteristic humped shoulders and dished face of the grizzly bear are absent. During spring-autumn seasons, black bears tend to be more active during daylight and crepuscular
The Northern fur seal is the smallest member of the family in Oregon. The flippers are nearly twice as large as those of a comparably-sized individual of any other species of otariid. The ears are cylindrical and the auditory meatus is covered with wax to prevent entry of water. The pelage consists of coarse guard hairs and an exceedingly thick underfur that serves as waterproof insulation. Adult males are dark gray or brown dorsally and reddish brown ventrally; a grayish cape covers the neck and shoulders. Adult females are grayish brown dorsally and reddish brown ventrally. The Northern fur seal
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
The Northern elephant seal is the largest pinniped carnivore that occurs along the North Pacific coast. The flippers are relatively small, the rear ones directed posteriorly. Its most distinctive feature is the elongated tubular proboscis with a deep transverse cleft among adult males. This proboscis can be inflated and directed into the open mouth to produce vocalizations. Also among males, the neck and chest lose most of their hair and the skin becomes rough and thickened at puberty. The adult pelage consists of course grayish or brownish hairs without any underfur. During the molt, not only is the pelage shed
The body of the Pacific harbor seal is plump but tapers to small rear flippers permanently extended posteriorly. The head is large and rounded, the eyes are large, the limbs are short, and the nostrils sit dorsally on the muzzle. The nostrils can be closed when this seal dives. The tongue is notched at the tip. The pelage consists of long overhairs that overlay short underhairs. Markings are extremely variable, but in general the pelage is gray or brownish gray with numerous small spots of black that may coalesce to form splotches. Pacific harbor seals have been observed ashore at
Although these species are quite different, they are both in the same family, Procyonidae.
The ringtail is shaped somewhat like a marten with an elongated body and tail of approximately equal length. The ringtail is named for its tail which has has eight dark bands alternating with seven buffy bands. The dorsum is buff overlain with blackish or dark-brownish guard hairs; the venter is whitish or light buff. The face mask is whitish, but the eyes are fringed with a narrow band of black. The toes are equipped with semi-retractile claws, and except for the pads, furred on the ventral surface. The ears are long and set wide apart on a nearly horizontal plane
The common raccoon is a moderately sized, heavily furred mammal best characterized by its distinctive markings. The face has a dark brownish-black eye mask sharply separated from whitish nose patches, eyebrow lines, and exclamation points between the eyes. The inside of the ears is ringed with white, adding to the facial contrast. The tail is annulated with five to seven dark rings separated by light gray or tan rings. The hind legs are longer than the front; thus, in a walking gait, the rump is higher than the head. The common raccoon occurs in suitable habitats throughout Oregon; it does