Thomomys mazama

The Mazama pocket gopher is a smooth-toothed pocket gopher restricted to the Pacific Northwest. The herbivorous species ranges from coastal Washington, through Oregon, and into north-central California. Four subspecies of the Mazama Pocket Gopher are classified as threatened under the Endangered Species Act of 1973, including T. m. pugetensis, T. m. tumuli , T. m. glacialis, and T. m. yelmensis. The Mazama Pocket Gopher is one of the smallest of 35 species in the pocket gopher family.

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