Mammals of New Hampshire
The mammals most often spotted in New Hampshire, ranked by recent research-grade observations.
39,991
recent observations
50
species listed
50
mammals
Naturalists have logged 39,991 research-grade observations across the 50 most-recorded species in New Hampshire. The most frequently seen is the White-tailed Deer, with 8,333 recorded sightings.
Rarer finds confirmed in New Hampshire include Bobcat and Fisher - uncommon enough that a sighting is worth logging.
Most-observed mammals in New Hampshire
White-tailed Deer
Odocoileus virginianus
8,333 observations
American Red Squirrel
Tamiasciurus hudsonicus
3,657 observations
Eastern Chipmunk
Tamias striatus
3,570 observations
Eastern Gray Squirrel
Sciurus carolinensis
2,689 observations
American Beaver
Castor canadensis
2,383 observations
Common Raccoon
Procyon lotor
1,936 observations
North American Porcupine
Erethizon dorsatum
1,935 observations
American Black Bear
Ursus americanus
1,831 observations
Moose
Alces alces
1,804 observations
Coyote
Canis latrans
1,276 observations
Groundhog
Marmota monax
1,084 observations
Red Fox
Vulpes vulpes
1,074 observations
Eastern Cottontail
Sylvilagus floridanus
943 observations
Snowshoe Hare
Lepus americanus
933 observations
Bobcat
Lynx rufus
856 observations
Striped Skunk
Mephitis mephitis
627 observations
Gray Fox
Urocyon cinereoargenteus
601 observations
Muskrat
Ondatra zibethicus
490 observations
Fisher
Pekania pennanti
476 observations
North American River Otter
Lontra canadensis
472 observations
Virginia Opossum
Didelphis virginiana
433 observations
American Mink
Neogale vison
336 observations
Northern Short-tailed Shrew
Blarina brevicauda
282 observations
Harbor Seal
Phoca vitulina
219 observations
Hairy-tailed Mole
Parascalops breweri
195 observations
American Ermine
Mustela richardsonii
146 observations
Eastern Meadow Vole
Microtus pennsylvanicus
143 observations
Big Brown Bat
Eptesicus fuscus
142 observations
American Marten
Martes americana
133 observations
Domestic Cat
Felis catus
100 observations
Grey Seal
Halichoerus grypus
82 observations
Long-tailed Weasel
Neogale frenata
82 observations · iNaturalist
Brown Rat
Rattus norvegicus
72 observations
Humpback Whale
Megaptera novaeangliae
70 observations
White-footed Mouse
Peromyscus leucopus
69 observations
Eastern Deermouse
Peromyscus maniculatus
67 observations
Eastern Woodland Jumping Mouse
Napaeozapus insignis
66 observations
Southern Red-backed Vole
Clethrionomys gapperi
55 observations · iNaturalist
Star-nosed Mole
Condylura cristata
53 observations
Masked Shrew
Sorex cinereus
52 observations
Northern Meadow Jumping Mouse
Zapus hudsonius
51 observations
Southern Flying Squirrel
Glaucomys volans
48 observations
Northern Flying Squirrel
Glaucomys sabrinus
24 observations
Woodland Vole
Microtus pinetorum
21 observations
Smoky Shrew
Sorex fumeus
17 observations
Atlantic White-sided Dolphin
Leucopleurus acutus
15 observations · iNaturalist
Fin Whale
Balaenoptera physalus
14 observations
Harp Seal
Pagophilus groenlandicus
13 observations
Eastern Red Bat
Lasiurus borealis
11 observations
Little Brown Bat
Myotis lucifugus
10 observations
Mammals in nearby places
Out spotting mammals in New Hampshire?
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.