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Mammal Checklists of the United States

Arapaho National Wildlife Refuge

small state map showing location

Walden, Colorado


Mammals

Arapaho National Wildlife Refuge provides excellent habitat for the variety of wildlife you can observe here. The irrigated meadows are ideal for nesting waterfowl and other species of birds. The sagebrush flats and knolls are utilized by upland game birds for nesting, and pronghorn antelope, elk, and mule deer feed on the sparse vegetation.

May through October are the best months for observing birds on the refuge and surrounding North Park area. Most mammals can be observed year around.

Common names for mammals are followed by the scientific name and a specific abundance code.


a - abundant: occurring in large numbers
c - common: certain to be seen in suitable habitat
u - uncommon: present, but not certain to be seen
o - occasional: seen only a few times during a season
r - rare: seen at intervals of 2 to 5 years
x - accidental: vagrant or out of normal range


___ Masked Shrew (Sorex cinereus) u
___ Nuttall's Cottontail (Sylvilagus nuttallii) u ___ White-tailed Jackrabbit (Lepus Townsendii) a
___ Least Chipmunk (Eutamias minimus) c ___ Yellow-bellied Marmot (Marmota flaviventris) u ___ Richardson's Ground Squirrel (Spermophilus richardsonii) a ___ Thirteen-lined Ground Squirrel (Spermophilus tridecemlineatus) o ___ Golden-mantled Ground Squirrel (Spermophilu lateralis) u ___ White-tailed Prairie Dog (Cynomys leucurus) a ___ Beaver (Castor canadensis) c ___ Deer Mouse (Peromyscus maniculatus) a ___ House Mouse (Mus musculus) c ___ Northern Grasshopper Mouse (Onychomys leucogaster) c ___ Western Jumping Mouse (Zapus princeps) c ___ Montane Vole (Microtus montanus) c ___ Muskrat (Ondatra zibethicus) c ___ Porcupine (Erethizon dorsatum) u
___ Coyote (Canis latrans) c ___ Red Fox (Vulpes vulpes) o ___ Black Bear (Ursus americanus) x ___ Raccoon (Procyon lotor) u ___ Ermine (Mustela erminea) u ___ Long-tailed Weasel (Mustela frenata) c ___ Mink (Mustela vison) u ___ River Otter (Lutra canadensis) r ___ Badger (Taxidea taxus) c ___ Striped Skunk (Mephitis mephitis) c ___ Bobcat (Felis rufus) x
___ Rocky Mountain Elk (Cervus elaphus) u ___ Mule Deer (Odocoileus hemionus) c ___ White-tailed Deer (Odocoileus virginianus) r ___ Moose (Alces alces) u ___ Pronghorn (Antilocapra americana) c
For additional information contact:
                 Refuge Manager
                 Arapaho National Wildlife Refuge
                 PO Box 457
                 Walden, Colorado 80480        
                 Telephone: 303/723-8202

Return to Bird Checklist for Arapaho National Wildlife Refuge

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