Mammals of New Hampshire
The mammals most often spotted in New Hampshire, ranked by recent research-grade observations.
39,366
recent observations
50
species listed
50
mammals
Naturalists have logged 39,366 research-grade observations across the 50 most-recorded species in New Hampshire. The most frequently seen is the White-tailed Deer, with 8,200 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
8,200 observations
American Red Squirrel
Tamiasciurus hudsonicus
3,608 observations
Eastern Chipmunk
Tamias striatus
3,531 observations
Eastern Gray Squirrel
Sciurus carolinensis
2,665 observations
American Beaver
Castor canadensis
2,360 observations
North American Porcupine
Erethizon dorsatum
1,878 observations
Common Raccoon
Procyon lotor
1,872 observations
American Black Bear
Ursus americanus
1,790 observations
Moose
Alces alces
1,771 observations
Coyote
Canis latrans
1,266 observations
Groundhog
Marmota monax
1,074 observations
Red Fox
Vulpes vulpes
1,069 observations
Eastern Cottontail
Sylvilagus floridanus
928 observations
Snowshoe Hare
Lepus americanus
922 observations
Bobcat
Lynx rufus
840 observations
Striped Skunk
Mephitis mephitis
595 observations
Gray Fox
Urocyon cinereoargenteus
588 observations
Muskrat
Ondatra zibethicus
486 observations
Fisher
Pekania pennanti
473 observations
North American River Otter
Lontra canadensis
469 observations
Virginia Opossum
Didelphis virginiana
424 observations
American Mink
Neogale vison
330 observations
Northern Short-tailed Shrew
Blarina brevicauda
276 observations
Harbor Seal
Phoca vitulina
219 observations
Hairy-tailed Mole
Parascalops breweri
193 observations
Big Brown Bat
Eptesicus fuscus
143 observations
Eastern Meadow Vole
Microtus pennsylvanicus
143 observations
American Ermine
Mustela richardsonii
142 observations
American Marten
Martes americana
131 observations
Domestic Cat
Felis catus
100 observations
Long-tailed Weasel
Neogale frenata
81 observations · iNaturalist
Grey Seal
Halichoerus grypus
79 observations
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
54 observations · iNaturalist
Star-nosed Mole
Condylura cristata
52 observations
Masked Shrew
Sorex cinereus
51 observations
Northern Meadow Jumping Mouse
Zapus hudsonius
49 observations
Southern Flying Squirrel
Glaucomys volans
47 observations
Northern Flying Squirrel
Glaucomys sabrinus
23 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
Little Brown Bat
Myotis lucifugus
10 observations
Wild Boar
Sus scrofa
10 observations · iNaturalist
Mammals in nearby places
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