Mammals of Rhode Island
The mammals most often spotted in Rhode Island, ranked by recent research-grade observations.
9,164
recent observations
50
species listed
50
mammals
Naturalists have logged 9,164 research-grade observations across the 50 most-recorded species in Rhode Island. The most frequently seen is the White-tailed Deer, with 2,154 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
2,154 observations
Eastern Gray Squirrel
Sciurus carolinensis
1,678 observations
Eastern Cottontail
Sylvilagus floridanus
1,336 observations
Eastern Chipmunk
Tamias striatus
559 observations
Groundhog
Marmota monax
390 observations
Common Raccoon
Procyon lotor
351 observations
Coyote
Canis latrans
340 observations
American Red Squirrel
Tamiasciurus hudsonicus
296 observations
Virginia Opossum
Didelphis virginiana
191 observations
Red Fox
Vulpes vulpes
186 observations
Muskrat
Ondatra zibethicus
154 observations
Harbor Seal
Phoca vitulina
140 observations
American Beaver
Castor canadensis
140 observations
Striped Skunk
Mephitis mephitis
133 observations
American Mink
Neogale vison
126 observations
Grey Seal
Halichoerus grypus
123 observations
Bobcat
Lynx rufus
116 observations
Eastern Meadow Vole
Microtus pennsylvanicus
83 observations
Northern Short-tailed Shrew
Blarina brevicauda
72 observations
White-footed Mouse
Peromyscus leucopus
67 observations
Brown Rat
Rattus norvegicus
67 observations
Fisher
Pekania pennanti
64 observations
Domestic Cat
Felis catus
56 observations
North American River Otter
Lontra canadensis
48 observations
Common Dolphin
Delphinus delphis
33 observations
Gray Fox
Urocyon cinereoargenteus
28 observations
American Black Bear
Ursus americanus
25 observations
Humpback Whale
Megaptera novaeangliae
24 observations
Southern Flying Squirrel
Glaucomys volans
22 observations
Fin Whale
Balaenoptera physalus
18 observations
House Mouse
Mus musculus
17 observations
Big Brown Bat
Eptesicus fuscus
15 observations
Eastern Red Bat
Lasiurus borealis
13 observations
Star-nosed Mole
Condylura cristata
13 observations
Long-tailed Weasel
Neogale frenata
11 observations · iNaturalist
Harp Seal
Pagophilus groenlandicus
10 observations · iNaturalist
American Ermine
Mustela richardsonii
10 observations · iNaturalist
Southern Red-backed Vole
Clethrionomys gapperi
8 observations · iNaturalist
Common Minke Whale
Balaenoptera acutorostrata
7 observations
Northern Meadow Jumping Mouse
Zapus hudsonius
6 observations
Masked Shrew
Sorex cinereus
6 observations
European Rabbit
Oryctolagus cuniculus
5 observations · iNaturalist
Tamanend's Bottlenose Dolphin
Tursiops erebennus
5 observations · iNaturalist
Long-finned Pilot Whale
Globicephala melas
4 observations
Wild Boar
Sus scrofa
3 observations · iNaturalist
Sperm Whale
Physeter macrocephalus
3 observations
Silver-haired Bat
Lasionycteris noctivagans
2 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
Mammals in nearby places
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