Mammals of Maine
The mammals most often spotted in Maine, ranked by recent research-grade observations.
Most-observed mammals in Maine
White-tailed Deer
Odocoileus virginianus
3,648 observations
American Red Squirrel
Tamiasciurus hudsonicus
3,368 observations
Eastern Chipmunk
Tamias striatus
2,338 observations
North American Porcupine
Erethizon dorsatum
1,729 observations
Eastern Gray Squirrel
Sciurus carolinensis
1,713 observations
Harbor Seal
Phoca vitulina
1,547 observations
Moose
Alces alces
1,438 observations
Groundhog
Marmota monax
1,112 observations
American Beaver
Castor canadensis
1,033 observations
Grey Seal
Halichoerus grypus
765 observations
Snowshoe Hare
Lepus americanus
762 observations
Red Fox
Vulpes vulpes
706 observations
Common Raccoon
Procyon lotor
693 observations
American Black Bear
Ursus americanus
458 observations
Humpback Whale
Megaptera novaeangliae
413 observations
Coyote
Canis latrans
398 observations
Muskrat
Ondatra zibethicus
362 observations
Harbour Porpoise
Phocoena phocoena
339 observations
Striped Skunk
Mephitis mephitis
301 observations
American Mink
Neogale vison
300 observations
Northern Short-tailed Shrew
Blarina brevicauda
292 observations
North American River Otter
Lontra canadensis
283 observations
Bobcat
Lynx rufus
234 observations
Fisher
Pekania pennanti
194 observations
Eastern Meadow Vole
Microtus pennsylvanicus
192 observations
Gray Fox
Urocyon cinereoargenteus
183 observations
Fin Whale
Balaenoptera physalus
169 observations
Common Minke Whale
Balaenoptera acutorostrata
162 observations
Virginia Opossum
Didelphis virginiana
158 observations
Eastern Cottontail
Sylvilagus floridanus
149 observations
Atlantic White-sided Dolphin
Leucopleurus acutus
124 observations · iNaturalist
Domestic Cat
Felis catus
91 observations
American Ermine
Mustela richardsonii
88 observations · iNaturalist
Star-nosed Mole
Condylura cristata
86 observations
Masked Shrew
Sorex cinereus
80 observations
Canada Lynx
Lynx canadensis
79 observations
White-footed Mouse
Peromyscus leucopus
75 observations
Eastern Deermouse
Peromyscus maniculatus
73 observations
Big Brown Bat
Eptesicus fuscus
71 observations
Brown Rat
Rattus norvegicus
69 observations
Northern Flying Squirrel
Glaucomys sabrinus
69 observations
Hairy-tailed Mole
Parascalops breweri
60 observations
Southern Red-backed Vole
Clethrionomys gapperi
39 observations · iNaturalist
Long-tailed Weasel
Neogale frenata
34 observations · iNaturalist
Common Dolphin
Delphinus delphis
32 observations
American Marten
Martes americana
32 observations
Northern Meadow Jumping Mouse
Zapus hudsonius
27 observations
New England Cottontail
Sylvilagus transitionalis
25 observations
Southern Flying Squirrel
Glaucomys volans
23 observations
Long-finned Pilot Whale
Globicephala melas
17 observations