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Bori, mountain degu, chozchoz or long-tailed octodon (Octodontomys gliroides)

The bori, mountain degu or long-tailed octodon is the only member of its genus. It lives at elevations of 2,000-5,000 m in the Andes of northern Chile, through east-central and southeast Bolivia and northwest Argentina. It may be absent from some higher elevation areas in the middle of its range. It lives in Puna and other xeric conditions, including various habitats with appropriate rocky hiding places.

The adult weighs 154-158 g and has a body temperature of 36.85 °C (98.33 °F). It is scansorial, makes superficial burrows and feeds on cacti. A captive lived 7.6 years. (Richard Weigl 2005). Two young are born after 104 days gestation. The young weighs 18 g and is weaned at 42 days.

The bori was rated Least Concern by the International Union for Conservation of Nature and Natural Resources in 2008, by due to its wide distribution, presumed large, stable population, occurrence in several protected areas, tolerance to some degree of habitat modification, including areas of high human population, and as it is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category. The bori is very common in appropriate habitat and faces no major threats. There are no known major threats to this species and it can tolerate living in areas of high human population.


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