Mammals of Maine
The mammals most often spotted in Maine, ranked by recent research-grade observations.
27,824
recent observations
50
species listed
50
mammals
Naturalists have logged 27,824 research-grade observations across the 50 most-recorded species in Maine. The most frequently seen is the White-tailed Deer, with 3,851 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
3,851 observations
American Red Squirrel
Tamiasciurus hudsonicus
3,527 observations
Eastern Chipmunk
Tamias striatus
2,427 observations
North American Porcupine
Erethizon dorsatum
1,815 observations
Eastern Gray Squirrel
Sciurus carolinensis
1,756 observations
Harbor Seal
Phoca vitulina
1,646 observations
Moose
Alces alces
1,477 observations
Groundhog
Marmota monax
1,183 observations
American Beaver
Castor canadensis
1,064 observations
Grey Seal
Halichoerus grypus
845 observations
Snowshoe Hare
Lepus americanus
786 observations
Red Fox
Vulpes vulpes
721 observations
Common Raccoon
Procyon lotor
713 observations
American Black Bear
Ursus americanus
470 observations
Humpback Whale
Megaptera novaeangliae
462 observations
Coyote
Canis latrans
402 observations
Harbour Porpoise
Phocoena phocoena
369 observations
Muskrat
Ondatra zibethicus
365 observations
Striped Skunk
Mephitis mephitis
316 observations
American Mink
Neogale vison
316 observations
North American River Otter
Lontra canadensis
295 observations
Northern Short-tailed Shrew
Blarina brevicauda
294 observations
Bobcat
Lynx rufus
237 observations
Eastern Meadow Vole
Microtus pennsylvanicus
198 observations
Fisher
Pekania pennanti
198 observations
Gray Fox
Urocyon cinereoargenteus
187 observations
Fin Whale
Balaenoptera physalus
177 observations
Common Minke Whale
Balaenoptera acutorostrata
175 observations
Eastern Cottontail
Sylvilagus floridanus
170 observations
Virginia Opossum
Didelphis virginiana
161 observations
Atlantic White-sided Dolphin
Leucopleurus acutus
125 observations · iNaturalist
Domestic Cat
Felis catus
93 observations
American Ermine
Mustela richardsonii
89 observations · iNaturalist
Star-nosed Mole
Condylura cristata
88 observations
Canada Lynx
Lynx canadensis
81 observations
Masked Shrew
Sorex cinereus
81 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
70 observations
Northern Flying Squirrel
Glaucomys sabrinus
70 observations
Hairy-tailed Mole
Parascalops breweri
62 observations
Southern Red-backed Vole
Clethrionomys gapperi
40 observations · iNaturalist
American Marten
Martes americana
36 observations
Long-tailed Weasel
Neogale frenata
36 observations · iNaturalist
Common Dolphin
Delphinus delphis
32 observations
New England Cottontail
Sylvilagus transitionalis
28 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
Out spotting mammals in Maine?
Take Huck with you. Identify any mammal you find in seconds and build your collection.
Get HuckLove mammals? Get Huck field notes
Spotting tips, new species, and the best of what people are finding in the wild - straight to your inbox.