The fauna of the State of Oregon includes a wide array of species.
![American Beaver](https://upload.wikimedia.org/wikipedia/commons/6/6b/American_Beaver.jpg)
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
See also
*
List of fauna of Oregon
*
List of mammals of Oregon
This list of mammals of Oregon includes all wild mammal species living in or recently extirpated from the U.S. state of Oregon or its coastal shores. This list includes all species from the lists published by the American Society of Mammalogists ...
*
List of birds of Oregon
*
List of butterflies of Oregon
This is a list of butterflies found in the U.S. state of Oregon.
Hesperiidae, skippers
*''Epargyreus clarus'', silver-spotted skipper
*'' Thorybes pylades'', northern cloudywing
*''Thorybes diversus'', western cloudywing
*'' Thorybes mexicana'' ...
*
List of amphibians and reptiles of Oregon
*
John Day Fossil Beds National Monument#Fauna
*
List of ecoregions in Oregon
This list of ecoregions in Oregon provides an overview of ecoregions in the U.S. state of Oregon designated by the U.S. Environmental Protection Agency (EPA) and the Commission for Environmental Cooperation (CEC). The Commission's 1997 report, ...
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