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Mammals of New York

The mammals most often spotted in New York, ranked by recent research-grade observations.

332,745
recent observations
50
species listed
50
mammals

Naturalists have logged 332,745 research-grade observations across the 50 most-recorded species in New York. The most frequently seen is the Eastern Gray Squirrel, with 65,721 recorded sightings.

Rarer finds confirmed in New York include Bobcat and Fisher - uncommon enough that a sighting is worth logging.

BobcatFisher

Most-observed mammals in New York

Eastern Gray Squirrel
Sciurus carolinensis
65,721 observations
White-tailed Deer
Odocoileus virginianus
54,586 observations
Eastern Chipmunk
Tamias striatus
28,900 observations
Eastern Cottontail
Sylvilagus floridanus
28,259 observations
Common Raccoon
Procyon lotor
18,604 observations
American Red Squirrel
Tamiasciurus hudsonicus
18,228 observations
Groundhog
Marmota monax
13,391 observations
American Beaver
Castor canadensis
11,894 observations
Red Fox
Vulpes vulpes
11,187 observations
Coyote
Canis latrans
8,694 observations
American Black Bear
Ursus americanus
8,612 observations
North American Porcupine
Erethizon dorsatum
7,320 observations
Muskrat
Ondatra zibethicus
6,052 observations
Striped Skunk
Mephitis mephitis
5,905 observations
Virginia Opossum
Didelphis virginiana
5,471 observations
American Mink
Neogale vison
4,685 observations
Bobcat
Lynx rufus
4,196 observations
Northern Short-tailed Shrew
Blarina brevicauda
3,630 observations
Domestic Cat
Felis catus
3,435 observations
Brown Rat
Rattus norvegicus
3,278 observations
Moose
Alces alces
2,519 observations
North American River Otter
Lontra canadensis
2,317 observations
Gray Fox
Urocyon cinereoargenteus
2,112 observations
Fisher
Pekania pennanti
1,872 observations
Snowshoe Hare
Lepus americanus
1,465 observations
Big Brown Bat
Eptesicus fuscus
1,303 observations
Eastern Meadow Vole
Microtus pennsylvanicus
1,225 observations
Hairy-tailed Mole
Parascalops breweri
692 observations
White-footed Mouse
Peromyscus leucopus
686 observations
Star-nosed Mole
Condylura cristata
666 observations
Wapiti
Cervus canadensis
624 observations
Harbor Seal
Phoca vitulina
566 observations
Eastern Red Bat
Lasiurus borealis
538 observations
American Ermine
Mustela richardsonii
530 observations
Southern Flying Squirrel
Glaucomys volans
512 observations
House Mouse
Mus musculus
413 observations
Long-tailed Weasel
Neogale frenata
348 observations · iNaturalist
Masked Shrew
Sorex cinereus
272 observations
Northern Meadow Jumping Mouse
Zapus hudsonius
243 observations
Silver-haired Bat
Lasionycteris noctivagans
216 observations
Grey Seal
Halichoerus grypus
211 observations
Tamanend's Bottlenose Dolphin
Tursiops erebennus
207 observations
Eastern Woodland Jumping Mouse
Napaeozapus insignis
174 observations
Humpback Whale
Megaptera novaeangliae
169 observations
Little Brown Bat
Myotis lucifugus
158 observations
Northern Flying Squirrel
Glaucomys sabrinus
154 observations
Eastern Mole
Scalopus aquaticus
138 observations
Southern Red-backed Vole
Clethrionomys gapperi
133 observations · iNaturalist
Eastern Deer Mouse
Peromyscus maniculatus
124 observations
Eastern Fox Squirrel
Sciurus niger
110 observations

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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