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DescriptionThe Arizona Shrew was at first found only in Arizona, but it is now known to occur in New Mexico and northern Mexico as well. Until the 1990s, only about 22 specimens had ever been collected. Recent efforts to locate this shrew have paid off, though not much more is known about its habits. Like other shrews, the Arizona Shrew appears to be active at nearly every hour, with periods of rest between hunting and feeding excursions. The small stomach on this tiny mammal is not large enough to hold much surplus food, and that, in combination with a heightened metabolism, pushes the animal to nearly constant feeding activity. These shrews require a thick canopy of vegetation, and have been found on forested slopes at elevations between 1,575 m and 2,590 m.
Mammal Species of the World