Mammals of Rhode Island
The mammals most often spotted in Rhode Island, ranked by recent research-grade observations.
Most-observed mammals in Rhode Island
White-tailed Deer
Odocoileus virginianus
1,915 observations
Eastern Gray Squirrel
Sciurus carolinensis
1,621 observations
Eastern Cottontail
Sylvilagus floridanus
1,246 observations
Eastern Chipmunk
Tamias striatus
545 observations
Groundhog
Marmota monax
365 observations
Coyote
Canis latrans
335 observations
Common Raccoon
Procyon lotor
319 observations
American Red Squirrel
Tamiasciurus hudsonicus
288 observations
Virginia Opossum
Didelphis virginiana
186 observations
Red Fox
Vulpes vulpes
180 observations
Muskrat
Ondatra zibethicus
149 observations
Harbor Seal
Phoca vitulina
140 observations
American Beaver
Castor canadensis
136 observations
Striped Skunk
Mephitis mephitis
125 observations
American Mink
Neogale vison
121 observations
Grey Seal
Halichoerus grypus
116 observations
Bobcat
Lynx rufus
113 observations
Eastern Meadow Vole
Microtus pennsylvanicus
80 observations
Northern Short-tailed Shrew
Blarina brevicauda
71 observations
White-footed Mouse
Peromyscus leucopus
66 observations
Brown Rat
Rattus norvegicus
65 observations
Fisher
Pekania pennanti
62 observations
Domestic Cat
Felis catus
53 observations
North American River Otter
Lontra canadensis
46 observations
Common Dolphin
Delphinus delphis
31 observations
Gray Fox
Urocyon cinereoargenteus
28 observations
American Black Bear
Ursus americanus
23 observations
Southern Flying Squirrel
Glaucomys volans
22 observations
Humpback Whale
Megaptera novaeangliae
21 observations
House Mouse
Mus musculus
17 observations
Big Brown Bat
Eptesicus fuscus
15 observations
Fin Whale
Balaenoptera physalus
14 observations
Eastern Red Bat
Lasiurus borealis
13 observations
Star-nosed Mole
Condylura cristata
13 observations
Harp Seal
Pagophilus groenlandicus
10 observations · iNaturalist
Long-tailed Weasel
Neogale frenata
10 observations · iNaturalist
American Ermine
Mustela richardsonii
9 observations · iNaturalist
Southern Red-backed Vole
Clethrionomys gapperi
8 observations · iNaturalist
Northern Meadow Jumping Mouse
Zapus hudsonius
6 observations
Masked Shrew
Sorex cinereus
6 observations
Common Minke Whale
Balaenoptera acutorostrata
5 observations
European Rabbit
Oryctolagus cuniculus
5 observations · iNaturalist
Long-finned Pilot Whale
Globicephala melas
4 observations
Tamanend's Bottlenose Dolphin
Tursiops erebennus
4 observations · iNaturalist
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
Eastern Woodland Jumping Mouse
Napaeozapus insignis
2 observations
Eastern Deermouse
Peromyscus maniculatus
2 observations