STATUS-UNDETERMINED MAMMALS 



A status-undetermined species or subspecies is one that has been suggested as possibly 

 threatened with extinction, but about which there is not enough information to determine 

 its status. More information is needed. 



Arizona prairie dog, Cynomys ludovicianus arizonensis (Mearns) 



Southeastern Arizona, southern and central New Mexico, southwestern Texas. 



Chiricahua squirrel, Sciurus nayaritensis chiricahuae (Goldman) 

 Chiricahua Mountains of southeast Arizona. 



Apache fox squirrel, Sciurus nayaritensis 



Chiricahua Mountains of southeast Arizona and adjacent areas in Mexico. 



Eastern fox squirrel , Sciurus niger vulpinus 



Southern Pennsylvania, eastern West Virginia, northern Virginia, and 

 Maryland exclusive of the Eastern Shore . 



Texas kangaroo rat, Dipodomys elator 



North-central Texas and southwestern Oklahoma. 



Big-eared kangaroo rat, Dipodomys elephantinus 

 Central California . 



Guadalupe mountain vole, Microtus mexicanus guadalupensis 



El Paso County, Texas, and Sacramento Mountains, New Mexico. 



Louisiana vole, Microtus ludovicianus 



Southeastern Texas and southwestern Louisiana. 



Florida water rat or round-tailed muskrat, Neofiber alleni 



Bogs and marshes of Florida and extreme southern Georgia. 



Northern swift fox, Vulpes velox hebes 



North Dakota, South Dakota, eastern Montana, Wyoming, and adjacent areas 

 in Canada. One taken in North Dakota in 1970--first since 1915. 



Polar bear , Thalarctos maritimus 



Circumpolar; in Western Hemisphere, northern Alaska, Canada, and Greenland. 

 International research program is underway to determine status. 



Pine marten, Martes americana 



Alaska and Northern United States , south in mountains to central California and 

 northern New Mexico. Reintroduced in Wisconsin, Michigan, and New Hampshire. 

 Protected by law in Michigan. 



Sierra red fox, Vulpes fulva necator 



Sierra Nevada Mountains, California. 



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