Mazama Pocket Gopher
Encyclopedia
The Mazama Pocket Gopher, Thomomys mazama, is a smooth-toothed pocket gopher
restricted to the Pacific Northwest
. The species ranges from coastal Washington, through Oregon
, and into north-central California
.
Smooth-toothed pocket gopher
The smooth-toothed pocket gophers, genus Thomomys, are so called because they are among the only pocket gophers without grooves on their incisors. They are also called the Western pocket gophers because they are distributed in western North America...
restricted to the Pacific Northwest
Pacific Northwest
The Pacific Northwest is a region in northwestern North America, bounded by the Pacific Ocean to the west and, loosely, by the Rocky Mountains on the east. Definitions of the region vary and there is no commonly agreed upon boundary, even among Pacific Northwesterners. A common concept of the...
. The species ranges from coastal Washington, through Oregon
Oregon
Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...
, and into north-central California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...
.
Subspecies
Subspecies of the Mazama Pocket Gopher include:- †Thomomys mazama tacomensis - the extinct Tacoma Pocket Gopher
- Thomomys mazama louiei - a critically endangered form from southwestern Washington. The population is estimated as less than 250 individuals.
- Thomomys mazama couchi - a vulnerable form in the Puget SoundPuget SoundPuget Sound is a sound in the U.S. state of Washington. It is a complex estuarine system of interconnected marine waterways and basins, with one major and one minor connection to the Strait of Juan de Fuca and the Pacific Ocean — Admiralty Inlet being the major connection and...
area. - Thomomys mazama pugetensis - a vulnerable form in the Puget SoundPuget SoundPuget Sound is a sound in the U.S. state of Washington. It is a complex estuarine system of interconnected marine waterways and basins, with one major and one minor connection to the Strait of Juan de Fuca and the Pacific Ocean — Admiralty Inlet being the major connection and...
area. - Thomomys mazama tumuli - a vulnerable form in the Puget SoundPuget SoundPuget Sound is a sound in the U.S. state of Washington. It is a complex estuarine system of interconnected marine waterways and basins, with one major and one minor connection to the Strait of Juan de Fuca and the Pacific Ocean — Admiralty Inlet being the major connection and...
area. - Thomomys mazama yelmensis - a vulnerable form in the Puget SoundPuget SoundPuget Sound is a sound in the U.S. state of Washington. It is a complex estuarine system of interconnected marine waterways and basins, with one major and one minor connection to the Strait of Juan de Fuca and the Pacific Ocean — Admiralty Inlet being the major connection and...
area.