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Mammals of Aurora, CO

The mammals most often spotted near Aurora, ranked by recent research-grade observations.

19,019
recent observations
50
species listed
50
mammals

Naturalists have logged 19,019 research-grade observations across the 50 most-recorded species near Aurora. The most frequently seen is the Black-tailed Prairie Dog, with 3,981 recorded sightings.

Rarer finds confirmed near Aurora include Bobcat and Black-footed Ferret - uncommon enough that a sighting is worth logging.

BobcatBlack-footed Ferret

Most-observed mammals near Aurora

Black-tailed Prairie Dog
Cynomys ludovicianus
3,981 observations
Mule Deer
Odocoileus hemionus
3,243 observations
Eastern Fox Squirrel
Sciurus niger
3,159 observations
Coyote
Canis latrans
1,356 observations
White-tailed Deer
Odocoileus virginianus
1,052 observations
American Bison
Bos bison
920 observations · iNaturalist
Muskrat
Ondatra zibethicus
650 observations
Common Raccoon
Procyon lotor
616 observations
Pronghorn
Antilocapra americana
503 observations
American Beaver
Castor canadensis
473 observations
Red Fox
Vulpes vulpes
435 observations
Desert Cottontail
Sylvilagus audubonii
405 observations
Wapiti
Cervus canadensis
362 observations
Bighorn Sheep
Ovis canadensis
355 observations
Bobcat
Lynx rufus
215 observations
Mountain Cottontail
Sylvilagus nuttallii
179 observations
American Black Bear
Ursus americanus
144 observations
American Mink
Neogale vison
96 observations
Eastern Cottontail
Sylvilagus floridanus
88 observations
Abert's Squirrel
Sciurus aberti
87 observations
Striped Skunk
Mephitis mephitis
77 observations
House Mouse
Mus musculus
59 observations
Rock Squirrel
Otospermophilus variegatus
58 observations
Domestic Cat
Felis catus
55 observations
American Badger
Taxidea taxus
38 observations
North American Porcupine
Erethizon dorsatum
38 observations
Big Brown Bat
Eptesicus fuscus
33 observations
Brown Rat
Rattus norvegicus
32 observations
Common Golden-mantled Ground Squirrel
Callospermophilus lateralis
30 observations
Western Meadow Vole
Microtus drummondii
27 observations
Black-footed Ferret
Mustela nigripes
26 observations
Mountain Lion
Puma concolor
26 observations
Western Deer Mouse
Peromyscus sonoriensis
24 observations
Fremont's Squirrel
Tamiasciurus fremonti
23 observations
Moose
Alces alces
22 observations
Thirteen-lined Ground Squirrel
Ictidomys tridecemlineatus
18 observations
Yellow-bellied Marmot
Marmota flaviventris
15 observations
Colorado Chipmunk
Neotamias quadrivittatus
15 observations
Least Chipmunk
Neotamias minimus
13 observations
Northern Hoary Bat
Lasiurus cinereus
10 observations
Black-tailed Jackrabbit
Lepus californicus
10 observations
European Rabbit
Oryctolagus cuniculus
8 observations
Little Brown Bat
Myotis lucifugus
6 observations
Silver-haired Bat
Lasionycteris noctivagans
6 observations
Domestic Dog
Canis familiaris
6 observations
Western Spotted Skunk
Spilogale gracilis
6 observations
Long-tailed Weasel
Neogale frenata
6 observations · iNaturalist
Ringtail
Bassariscus astutus
5 observations
Gray Fox
Urocyon cinereoargenteus
4 observations
Western Harvest Mouse
Reithrodontomys megalotis
4 observations

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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