What is "mountain degu"

n. A South American rodent, (taxlink Octodontomys gliroides species noshow=1), related to the degus.

The mountain degu (Octodontomys gliroides) is a species of rodent in the family Octodontidae. It is monotypic within the genus Octodontomys. It is found in the foothills of the Andes in Argentina, Bolivia and Chile.