The Tacoma pocket gopher (Thomomys mazama tacomensis), was a subspecies of the Mazama pocket gopher that was restricted to a few isolated populations in the southern Puget Sound area and on the Olympic Peninsula in Washington. The animal became extinct in 1970. References Tacoma pocket gopher Tacoma pocket gopher Tacoma pocket gopher Fauna of the Northwestern United States Mammals of the United States Tacoma pocket gopher Rodents of North America Tacoma pocket gopher Tacoma pocket gopher