The fauna of the State of Oregon includes a wide array of species. Chordeiles minor -British Columbia -Canada-8c

One way of presenting the fauna of Oregon is by classification by lifezone. Oregon is a vastly diverse state in terms of topography and climate. Five of the seven recognized lifezones are identified in Oregon.

Mammals

Although there are variable reports, some sources report that there are four species of mammals found exclusively in Oregon: the

Baird's shrew Baird's shrew (''Sorex bairdi'') is a species of mammal in the family Soricidae. It is endemic to northwest Oregon. Baird's shrew inhabits moist conifer forests. Description Its fur is darker brown in winter than in summer, when it is brownish- ...

, the

Pacific shrew The Pacific shrew (''Sorex pacificus'') is a species of mammal in the family Soricidae. It is endemic to western Oregon in the United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) ...

, the

camas pocket gopher The camas pocket gopher (''Thomomys bulbivorus''), also known as the camas rat or Willamette Valley gopher, is a rodent, the largest member in the genus '' Thomomys'', of the family Geomyidae. First described in 1829, it is endemic to the Will ...

, and the

red tree vole The red tree vole (''Arborimus longicaudus'') is a rodent of the Pacific Northwest, found in the US states of Oregon and California. They were formerly known as ''Phenacomys longicaudus'' and have also been called the red tree mouse. Descriptio ...

(North Oregon Coast "distinct population segment"). However, other sites list the red tree vole as present in northern California. According to the

Oregon State University Oregon State University (OSU) is a public land-grant, research university in Corvallis, Oregon. OSU offers more than 200 undergraduate-degree programs along with a variety of graduate and doctoral degrees. It has the 10th largest engineering co ...

libraries ''Oregon Wildlife Explorer'' website, one hundred thirty-six mammals have been described, exclusive of the marine mammals. Most of these are smaller creatures weighing under one kilogram, active primarily at night, with a tendency towards more inconspicuous ways of life. Some of the larger, more iconic, carnivorous species have been driven from the region. Others are present, but in lesser numbers compared to the smaller species. The

American Society of Mammalogists The American Society of Mammalogists (ASM) was founded in 1919. Its primary purpose is to encourage the study of mammals, and professions studying them. There are over 4,500 members of this society, and they are primarily professional scientists ...

provides a more exhaustive listing of species. Grizzly bears are no longer listed. According to the list, 12 specimens of

Canada lynx The Canada lynx (''Lynx canadensis''), or Canadian lynx, is a medium-sized North American lynx that ranges across Alaska, Canada, and northern areas of the contiguous United States. It is characterized by its long, dense fur, triangular ears ...

remain. The gray wolf populations has been increasing in recent years and is monitored by the Oregon Department of Fish and Wildlife. The first confirmed wolf sighting in western Oregon since 1947, known as Journey

OR-7 OR-7, also known as Journey, was a male gray wolf that was electronically tracked as he migrated from the Wallowa Mountains in the northeastern corner of the U.S. state of Oregon to the southern Cascade Range. After the wolf dispersed from his n ...

, was born in April, 2009 is

Upper Sonoran zone

Semiarid division of upper Sonoran zone

Extreme arid division of upper sonoran zone

Transition zone

Coastal transition zone

Humid division of the transition zone

Semiarid transition zone

Arid transition zone

Canadian zone

Hudsonian zone

Alpine arctic zone

References

Oregon Wildlife Species

Endangered species of Oregon
{{United States topic , title =

Wildlife of the United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territories ...

by political division , prefix = Wildlife of Natural history of Oregon Fauna of the Northwestern United States