Mammals of New Hampshire
The mammals most often spotted in New Hampshire, ranked by recent research-grade observations.
Most-observed mammals in New Hampshire
White-tailed Deer
Odocoileus virginianus
8,026 observations
American Red Squirrel
Tamiasciurus hudsonicus
3,475 observations
Eastern Chipmunk
Tamias striatus
3,382 observations
Eastern Gray Squirrel
Sciurus carolinensis
2,624 observations
American Beaver
Castor canadensis
2,270 observations
Common Raccoon
Procyon lotor
1,823 observations
North American Porcupine
Erethizon dorsatum
1,799 observations
American Black Bear
Ursus americanus
1,706 observations
Moose
Alces alces
1,703 observations
Coyote
Canis latrans
1,242 observations
Red Fox
Vulpes vulpes
1,052 observations
Groundhog
Marmota monax
1,009 observations
Snowshoe Hare
Lepus americanus
910 observations
Eastern Cottontail
Sylvilagus floridanus
881 observations
Bobcat
Lynx rufus
821 observations
Gray Fox
Urocyon cinereoargenteus
567 observations
Striped Skunk
Mephitis mephitis
566 observations
Muskrat
Ondatra zibethicus
472 observations
Fisher
Pekania pennanti
464 observations
North American River Otter
Lontra canadensis
455 observations
Virginia Opossum
Didelphis virginiana
413 observations
American Mink
Neogale vison
309 observations
Northern Short-tailed Shrew
Blarina brevicauda
274 observations
Harbor Seal
Phoca vitulina
207 observations
Hairy-tailed Mole
Parascalops breweri
181 observations
Eastern Meadow Vole
Microtus pennsylvanicus
140 observations
Big Brown Bat
Eptesicus fuscus
139 observations
American Ermine
Mustela richardsonii
136 observations · iNaturalist
American Marten
Martes americana
126 observations
Domestic Cat
Felis catus
97 observations
Long-tailed Weasel
Neogale frenata
78 observations · iNaturalist
Brown Rat
Rattus norvegicus
71 observations
Grey Seal
Halichoerus grypus
70 observations
White-footed Mouse
Peromyscus leucopus
69 observations
Eastern Deermouse
Peromyscus maniculatus
67 observations
Eastern Woodland Jumping Mouse
Napaeozapus insignis
64 observations
Humpback Whale
Megaptera novaeangliae
55 observations
Southern Red-backed Vole
Clethrionomys gapperi
54 observations · iNaturalist
Northern Meadow Jumping Mouse
Zapus hudsonius
49 observations
Star-nosed Mole
Condylura cristata
48 observations
Southern Flying Squirrel
Glaucomys volans
46 observations
Masked Shrew
Sorex cinereus
44 observations
Northern Flying Squirrel
Glaucomys sabrinus
23 observations
Woodland Vole
Microtus pinetorum
17 observations
Smoky Shrew
Sorex fumeus
17 observations
Fin Whale
Balaenoptera physalus
13 observations
Harp Seal
Pagophilus groenlandicus
13 observations · iNaturalist
Atlantic White-sided Dolphin
Leucopleurus acutus
12 observations · iNaturalist
Little Brown Bat
Myotis lucifugus
10 observations
Eastern Red Bat
Lasiurus borealis
9 observations