Mammals of Maine
The mammals most often spotted in Maine, ranked by recent research-grade observations.
28,390
recent observations
50
species listed
50
mammals
Naturalists have logged 28,390 research-grade observations across the 50 most-recorded species in Maine. The most frequently seen is the White-tailed Deer, with 3,928 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
3,928 observations
American Red Squirrel
Tamiasciurus hudsonicus
3,587 observations
Eastern Chipmunk
Tamias striatus
2,462 observations
North American Porcupine
Erethizon dorsatum
1,853 observations
Eastern Gray Squirrel
Sciurus carolinensis
1,772 observations
Harbor Seal
Phoca vitulina
1,719 observations
Moose
Alces alces
1,497 observations
Groundhog
Marmota monax
1,210 observations
American Beaver
Castor canadensis
1,108 observations
Grey Seal
Halichoerus grypus
880 observations
Snowshoe Hare
Lepus americanus
796 observations
Red Fox
Vulpes vulpes
731 observations
Common Raccoon
Procyon lotor
721 observations
Humpback Whale
Megaptera novaeangliae
483 observations
American Black Bear
Ursus americanus
472 observations
Coyote
Canis latrans
406 observations
Harbour Porpoise
Phocoena phocoena
387 observations
Muskrat
Ondatra zibethicus
367 observations
Striped Skunk
Mephitis mephitis
326 observations
American Mink
Neogale vison
322 observations
North American River Otter
Lontra canadensis
299 observations
Northern Short-tailed Shrew
Blarina brevicauda
296 observations
Bobcat
Lynx rufus
240 observations
Fisher
Pekania pennanti
199 observations
Eastern Meadow Vole
Microtus pennsylvanicus
198 observations
Gray Fox
Urocyon cinereoargenteus
188 observations
Common Minke Whale
Balaenoptera acutorostrata
184 observations
Fin Whale
Balaenoptera physalus
180 observations
Eastern Cottontail
Sylvilagus floridanus
172 observations
Virginia Opossum
Didelphis virginiana
163 observations
Atlantic White-sided Dolphin
Leucopleurus acutus
131 observations · iNaturalist
Domestic Cat
Felis catus
94 observations
American Ermine
Mustela richardsonii
89 observations
Star-nosed Mole
Condylura cristata
88 observations
Canada Lynx
Lynx canadensis
83 observations
Masked Shrew
Sorex cinereus
82 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
71 observations
Northern Flying Squirrel
Glaucomys sabrinus
70 observations
Hairy-tailed Mole
Parascalops breweri
70 observations
Southern Red-backed Vole
Clethrionomys gapperi
41 observations · iNaturalist
Long-tailed Weasel
Neogale frenata
37 observations · iNaturalist
American Marten
Martes americana
36 observations
Common Dolphin
Delphinus delphis
32 observations
New England Cottontail
Sylvilagus transitionalis
30 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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