Mammals of Maine
The mammals most often spotted in Maine, ranked by recent research-grade observations.
29,107
recent observations
50
species listed
50
mammals
Naturalists have logged 29,107 research-grade observations across the 50 most-recorded species in Maine. The most frequently seen is the White-tailed Deer, with 4,049 recorded sightings.
Rarer finds confirmed in Maine include Bobcat, Fisher and Canada Lynx - uncommon enough that a sighting is worth logging.
Most-observed mammals in Maine
White-tailed Deer
Odocoileus virginianus
4,049 observations
American Red Squirrel
Tamiasciurus hudsonicus
3,697 observations
Eastern Chipmunk
Tamias striatus
2,530 observations
North American Porcupine
Erethizon dorsatum
1,910 observations
Eastern Gray Squirrel
Sciurus carolinensis
1,806 observations
Harbor Seal
Phoca vitulina
1,762 observations
Moose
Alces alces
1,529 observations
Groundhog
Marmota monax
1,238 observations
American Beaver
Castor canadensis
1,132 observations
Grey Seal
Halichoerus grypus
902 observations
Snowshoe Hare
Lepus americanus
806 observations
Red Fox
Vulpes vulpes
739 observations
Common Raccoon
Procyon lotor
738 observations
Humpback Whale
Megaptera novaeangliae
499 observations
American Black Bear
Ursus americanus
482 observations
Coyote
Canis latrans
411 observations
Harbour Porpoise
Phocoena phocoena
406 observations
Muskrat
Ondatra zibethicus
373 observations
Striped Skunk
Mephitis mephitis
334 observations
American Mink
Neogale vison
327 observations
North American River Otter
Lontra canadensis
305 observations
Northern Short-tailed Shrew
Blarina brevicauda
305 observations
Bobcat
Lynx rufus
243 observations
Eastern Meadow Vole
Microtus pennsylvanicus
200 observations
Fisher
Pekania pennanti
199 observations
Gray Fox
Urocyon cinereoargenteus
195 observations
Common Minke Whale
Balaenoptera acutorostrata
187 observations
Fin Whale
Balaenoptera physalus
183 observations
Eastern Cottontail
Sylvilagus floridanus
178 observations
Virginia Opossum
Didelphis virginiana
170 observations
Atlantic White-sided Dolphin
Leucopleurus acutus
138 observations · iNaturalist
Domestic Cat
Felis catus
97 observations
American Ermine
Mustela richardsonii
92 observations
Star-nosed Mole
Condylura cristata
89 observations
Canada Lynx
Lynx canadensis
84 observations
Masked Shrew
Sorex cinereus
84 observations
White-footed Mouse
Peromyscus leucopus
75 observations
Eastern Deermouse
Peromyscus maniculatus
74 observations
Big Brown Bat
Eptesicus fuscus
73 observations
Brown Rat
Rattus norvegicus
72 observations
Northern Flying Squirrel
Glaucomys sabrinus
70 observations
Hairy-tailed Mole
Parascalops breweri
70 observations
Southern Red-backed Vole
Clethrionomys gapperi
41 observations · iNaturalist
American Marten
Martes americana
38 observations
Long-tailed Weasel
Neogale frenata
38 observations · iNaturalist
New England Cottontail
Sylvilagus transitionalis
37 observations
Common Dolphin
Delphinus delphis
32 observations
Northern Meadow Jumping Mouse
Zapus hudsonius
27 observations
Southern Flying Squirrel
Glaucomys volans
24 observations
Beluga
Delphinapterus leucas
17 observations
Mammals in nearby places
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