Mammals of Acadia National Park
The mammals most often spotted in Acadia, ranked by recent research-grade observations.
3,614
recent observations
45
species listed
45
mammals
Naturalists have logged 3,614 research-grade observations across the 45 most-recorded species in Acadia. The most frequently seen is the American Red Squirrel, with 868 recorded sightings.
Rarer finds confirmed in Acadia include Bobcat and Fisher - uncommon enough that a sighting is worth logging.
Most-observed mammals in Acadia
American Red Squirrel
Tamiasciurus hudsonicus
868 observations
White-tailed Deer
Odocoileus virginianus
722 observations
Harbor Seal
Phoca vitulina
492 observations
American Beaver
Castor canadensis
243 observations
Eastern Chipmunk
Tamias striatus
237 observations
North American Porcupine
Erethizon dorsatum
223 observations
Grey Seal
Halichoerus grypus
155 observations
Harbour Porpoise
Phocoena phocoena
91 observations
Eastern Gray Squirrel
Sciurus carolinensis
70 observations
Red Fox
Vulpes vulpes
66 observations
Snowshoe Hare
Lepus americanus
64 observations
North American River Otter
Lontra canadensis
45 observations
American Mink
Neogale vison
45 observations
Groundhog
Marmota monax
44 observations
Coyote
Canis latrans
41 observations
Humpback Whale
Megaptera novaeangliae
28 observations
Northern Short-tailed Shrew
Blarina brevicauda
24 observations
Muskrat
Ondatra zibethicus
19 observations
Common Raccoon
Procyon lotor
17 observations
Eastern Meadow Vole
Microtus pennsylvanicus
14 observations
Bobcat
Lynx rufus
12 observations
Striped Skunk
Mephitis mephitis
10 observations
Atlantic White-sided Dolphin
Leucopleurus acutus
10 observations · iNaturalist
American Black Bear
Ursus americanus
8 observations
Common Minke Whale
Balaenoptera acutorostrata
7 observations
Fin Whale
Balaenoptera physalus
7 observations
White-footed Mouse
Peromyscus leucopus
7 observations
Eastern Deermouse
Peromyscus maniculatus
5 observations
Star-nosed Mole
Condylura cristata
5 observations
Little Brown Bat
Myotis lucifugus
4 observations
Northern Flying Squirrel
Glaucomys sabrinus
4 observations
Domestic Cat
Felis catus
4 observations
Eastern Small-footed Myotis
Myotis leibii
3 observations
Masked Shrew
Sorex cinereus
3 observations
American Ermine
Mustela richardsonii
3 observations
American Marten
Martes americana
2 observations
Northern Meadow Jumping Mouse
Zapus hudsonius
2 observations
Fisher
Pekania pennanti
2 observations
Southern Red-backed Vole
Clethrionomys gapperi
2 observations · iNaturalist
Big Brown Bat
Eptesicus fuscus
1 observation
Eastern Red Bat
Lasiurus borealis
1 observation
Northern Hoary Bat
Lasiurus cinereus
1 observation
Gray Fox
Urocyon cinereoargenteus
1 observation
European Rabbit
Oryctolagus cuniculus
1 observation · iNaturalist
Moose
Alces alces
1 observation
Mammals in nearby places
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