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The Western gray squirrel is the largest tree squirrel in the state. It occurs from central Wasco, Jefferson, Deschutes, and Klamath counties west, except for unforested portions of the Willamette Valley, to central Washington, Benton, Lane, Douglas, Coos, and Curry counties. It is commonly associated with mixed forest communities. These squirrels are wary and secretive, but curious; they examine new objects placed in their environment but, once captured, they often avoid live traps. Western gray squirrels are an Oregon Conservation Strategy Species in the Willamette Valley ecoregion. Photo from ODFW

The Great Basin pocket mouse is the largest member of the genus in Oregon. The dorsal pelage of this mouse is pinkish buff or ocherous buff overlain with black hairs; the venter is white to buffy. A lateral line, usually somewhat olive colored, separates the dorsal and ventral pelages. The tail is distinctly bicolored. In Oregon, it occurs thought east of the Cascade Range, except it does not occur in the Wallowa and Blue mountains. The Great Basin pocket mouse constructs burrows below the surface that contain granaries for storage of food, a nest cavity, and several entrances. They spend…

Coastal giant salamanders are the largest salamanders in Oregon. Terrestrial adults are marbled with tan and brown and are mostly tan on their undersides. Larvae are brown with a large head, frilled gills, and a tail fin. Adults can grow to a total length of 14 inches. This species lives in dense wet forests near cold and clear streams, lakes, and ponds. Terrestrial adults are rarely seen because they spend most of their time in burrows. Occasionally, during times of heavy rain, adults are active on the forest floor. Photo by Steve Krause, NPS

This small, brown, earless owl with a black framed, square face was long thought to be restricted to the boreal forests of Canada and Alaska but during the 1980s, it was found breeding in the Rocky Mountains of Idaho and Colorado. In Oregon, these shy owls are strictly nocturnal and live in remote mountain forests often covered by deep snows and with few passable roads. It is presumed to be a permanent resident in Oregon. It has been regularly observed about the Wenaha-Tucannon Wilderness in northeast Umatilla and northwest Wallowa counties and on the south slopes of South Sister Mountain…

Spirited vocalizations make this handsome clown-faced woodpecker one of the more conspicuous residents of much of Oregon's oak woodland. It is unique among Oregon woodpeckers with its habits of communal living and acorn storage. It is fairly common in the Rogue Valley and adjacent hills and locally common in the Klamath River Canyon in southwest Klamath county and the southern part of the Willamette Valley. Acorn woodpeckers are Oregon Conservation Strategy Species in both the Klamath Mountains and Willamette Valley ecoregions. Loss of oak woodlands poses a major threat to this bird. Hear the call of the Acorn woodpecker Photo…

Western painted turtles need marshy ponds, small lakes, slow-moving streams and quiet, off-channel portions of rivers. They prefer waters with muddy bottoms with aquatic vegetation. Open ground for nesting and logs for basking help keep this species healthy. These painted turtles occur in the Blue Mountains and Willamette Valley ecoregions. In the Columbia Plateau, East Cascades and West Cascades ecoregions, they live only along the Columbia River. Western painted turtles are an Oregon Conservation Strategy Species in these: Blue Mountains, Coast Range, Columbia Plateau, East Cascades, West Cascades, Willamette Valley. Photo by Robert Bryce Ott

Ensatina salamanders are a lungless species with a short body and yellow or orange legs. There are two sub-species in Oregon: the Oregon ensatina ( E. e. oregonensis) is solid red, orange, brown or tan, while the painted ensatina ( E. e. picta) has small yellow, black or white spots on the back and tail. Ensatinas grow to just over four inches in total length. Ensatinas live in humid forests, woodlands and other areas with woody debris. They hide under logs, bark piles at the base of snags (standing dead trees), stumps and even woodpiles in residential areas for cover…

The White-headed woodpecker is the only woodpecker that relies heavily on the seeds of ponderosa pine for food. It occurs mainly in open ponderosa pine or mixed conifer forests dominated by ponderosa pine. They usually excavate nest cavities in snags but may use stumps, leaning logs and dead tops of live trees. It is an uncommon permanent resident in forests of the Ochoco, Blue, and Wallowa mountains and the east side of the Cascades, but suitable habitat is restricted. The White-headed woodpecker is an Oregon Conservation Strategy Species in the Blue Mountains, East Cascades, and Klamath Mountains ecoregions. Hear the…

This colonial-nesting swallow places its nest at the end of a burrow dug into a soft cliff or bank. The nesting cliff often appears riddled with holes, but not all burrows are used for nesting. A highly social species, the Bank swallow is usually observed in flocks of its own or with other swallow species. It has dark wings and tail that contrast with the paler brown back. The underparts are whitish except for a distinct brown breastband. It is a generally uncommon, but locally common to abundant summer resident at mid- to low elevations east of the Cascades. Numerous…

Adult tiger salamanders are relatively large with olive-colored blotches outlined in black. They have gray undersides and can grow to 13 inches in total length. As adults, tiger salamanders live almost entirely on land, returning to the water to breed. Terrestrial adults spend a lot of time in burrows that they or other animals have dug. Tiger salamanders are found in grassland and shrub-steppe habitats. It is unknown whether tiger salamanders occurs naturally in Oregon, or whether they were introduced by people after larval salamanders used for bait colonized fishing lakes and ponds. Photo by Matt Reinbold, Flickr

A research study that began in 2012 confirmed Sierra Nevada red fox presence in the Oregon Cascades, specifically in the Mt. Jefferson, Mt. Washington, and Three Sisters Wilderness Areas. Confirmation was through genetic testing of hair and scat samples. Sierra Nevada red fox is a subspecies of Red fox that live in high elevations. They are slightly darker than Red fox and are highly specialized to montane (mountain) ecosystems. In the red color phase, the upper body is reddish-brown with white chin, cheeks, throat and belly. This fox ranges from silver to black in the black/silver color phase with silver…

This small salamander is evenly speckled with dark flecks and has a brown head, back and tail with a bright yellow belly. Southern torrent salamanders spend their lives in and near permanent, cold and clear water bodies including mountain streams, springs and seeps in older coastal coniferous forests. For a salamander, they are able to tolerate relatively dry forest conditions. Southern torrent salamanders are Oregon Conservation Strategy Species in the Coast Range, Klamath Mountains and Willamette Valley ecoregions. Photo by John Clare, Flickr

The bottlenose dolphin is the most common of the oceanic dolphins and can be found in all tropical and temperate oceans. Flipper was a bottlenose dolphin. Their considerable intelligence and permanently-affixed smile make them a favorite of aquarium and television shows. The U.S. Navy also uses bottlenose dolphins to find mines and booby traps underwater. Oregon is the northern extent of its range on the West Coast. They are most often seen offshore during the summer by tuna and other fishers. They are gray with light gray to white on the undersides. In size they range from six to 13…

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…