Mammals of New Hampshire
The mammals most often spotted in New Hampshire, ranked by recent research-grade observations.
39,002
recent observations
50
species listed
50
mammals
Naturalists have logged 39,002 research-grade observations across the 50 most-recorded species in New Hampshire. The most frequently seen is the White-tailed Deer, with 8,154 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
8,154 observations
American Red Squirrel
Tamiasciurus hudsonicus
3,576 observations
Eastern Chipmunk
Tamias striatus
3,501 observations
Eastern Gray Squirrel
Sciurus carolinensis
2,651 observations
American Beaver
Castor canadensis
2,309 observations
Common Raccoon
Procyon lotor
1,862 observations
North American Porcupine
Erethizon dorsatum
1,854 observations
American Black Bear
Ursus americanus
1,769 observations
Moose
Alces alces
1,756 observations
Coyote
Canis latrans
1,260 observations
Red Fox
Vulpes vulpes
1,062 observations
Groundhog
Marmota monax
1,058 observations
Eastern Cottontail
Sylvilagus floridanus
920 observations
Snowshoe Hare
Lepus americanus
918 observations
Bobcat
Lynx rufus
834 observations
Gray Fox
Urocyon cinereoargenteus
580 observations
Striped Skunk
Mephitis mephitis
576 observations
Muskrat
Ondatra zibethicus
483 observations
Fisher
Pekania pennanti
472 observations
North American River Otter
Lontra canadensis
468 observations
Virginia Opossum
Didelphis virginiana
423 observations
American Mink
Neogale vison
329 observations
Northern Short-tailed Shrew
Blarina brevicauda
274 observations
Harbor Seal
Phoca vitulina
212 observations
Hairy-tailed Mole
Parascalops breweri
182 observations
Eastern Meadow Vole
Microtus pennsylvanicus
142 observations
American Ermine
Mustela richardsonii
142 observations · iNaturalist
Big Brown Bat
Eptesicus fuscus
141 observations
American Marten
Martes americana
128 observations
Domestic Cat
Felis catus
99 observations
Long-tailed Weasel
Neogale frenata
80 observations · iNaturalist
Grey Seal
Halichoerus grypus
79 observations
Brown Rat
Rattus norvegicus
72 observations
White-footed Mouse
Peromyscus leucopus
69 observations
Eastern Deermouse
Peromyscus maniculatus
67 observations
Eastern Woodland Jumping Mouse
Napaeozapus insignis
66 observations
Humpback Whale
Megaptera novaeangliae
61 observations
Southern Red-backed Vole
Clethrionomys gapperi
54 observations · iNaturalist
Star-nosed Mole
Condylura cristata
51 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
Fin Whale
Balaenoptera physalus
14 observations
Atlantic White-sided Dolphin
Leucopleurus acutus
14 observations · iNaturalist
Harp Seal
Pagophilus groenlandicus
13 observations · iNaturalist
Little Brown Bat
Myotis lucifugus
10 observations
Eastern Red Bat
Lasiurus borealis
9 observations
Mammals in nearby places
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