Mammals of Rhode Island
The mammals most often spotted in Rhode Island, ranked by recent research-grade observations.
9,627
recent observations
50
species listed
50
mammals
Naturalists have logged 9,627 research-grade observations across the 50 most-recorded species in Rhode Island. The most frequently seen is the White-tailed Deer, with 2,296 recorded sightings.
Rarer finds confirmed in Rhode Island include Bobcat and Fisher - uncommon enough that a sighting is worth logging.
Most-observed mammals in Rhode Island
White-tailed Deer
Odocoileus virginianus
2,296 observations
Eastern Gray Squirrel
Sciurus carolinensis
1,743 observations
Eastern Cottontail
Sylvilagus floridanus
1,439 observations
Eastern Chipmunk
Tamias striatus
585 observations
Groundhog
Marmota monax
408 observations
Common Raccoon
Procyon lotor
377 observations
Coyote
Canis latrans
352 observations
American Red Squirrel
Tamiasciurus hudsonicus
303 observations
Virginia Opossum
Didelphis virginiana
195 observations
Red Fox
Vulpes vulpes
188 observations
Muskrat
Ondatra zibethicus
156 observations
American Beaver
Castor canadensis
146 observations
Harbor Seal
Phoca vitulina
140 observations
Striped Skunk
Mephitis mephitis
138 observations
Grey Seal
Halichoerus grypus
132 observations
American Mink
Neogale vison
127 observations
Bobcat
Lynx rufus
125 observations
Eastern Meadow Vole
Microtus pennsylvanicus
85 observations
Northern Short-tailed Shrew
Blarina brevicauda
72 observations
Brown Rat
Rattus norvegicus
71 observations
White-footed Mouse
Peromyscus leucopus
67 observations
Fisher
Pekania pennanti
66 observations
Domestic Cat
Felis catus
56 observations
North American River Otter
Lontra canadensis
48 observations
Common Dolphin
Delphinus delphis
34 observations
Gray Fox
Urocyon cinereoargenteus
29 observations
American Black Bear
Ursus americanus
28 observations
Humpback Whale
Megaptera novaeangliae
25 observations
Southern Flying Squirrel
Glaucomys volans
23 observations
Fin Whale
Balaenoptera physalus
18 observations
House Mouse
Mus musculus
17 observations
Big Brown Bat
Eptesicus fuscus
16 observations
Eastern Red Bat
Lasiurus borealis
15 observations
Long-tailed Weasel
Neogale frenata
15 observations · iNaturalist
Star-nosed Mole
Condylura cristata
13 observations
American Ermine
Mustela richardsonii
11 observations
Harp Seal
Pagophilus groenlandicus
10 observations
Common Minke Whale
Balaenoptera acutorostrata
8 observations
Southern Red-backed Vole
Clethrionomys gapperi
8 observations · iNaturalist
Northern Meadow Jumping Mouse
Zapus hudsonius
6 observations
Masked Shrew
Sorex cinereus
6 observations
Tamanend's Bottlenose Dolphin
Tursiops erebennus
6 observations
European Rabbit
Oryctolagus cuniculus
5 observations · iNaturalist
Long-finned Pilot Whale
Globicephala melas
4 observations
Silver-haired Bat
Lasionycteris noctivagans
3 observations
Wild Boar
Sus scrofa
3 observations · iNaturalist
Sperm Whale
Physeter macrocephalus
3 observations
True's Beaked Whale
Mesoplodon mirus
2 observations · iNaturalist
Common Bottlenose Dolphin
Tursiops truncatus
2 observations
New England Cottontail
Sylvilagus transitionalis
2 observations
Mammals in nearby places
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