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Mammals of New York

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

334,245
recent observations
50
species listed
50
mammals

Naturalists have logged 334,245 research-grade observations across the 50 most-recorded species in New York. The most frequently seen is the Eastern Gray Squirrel, with 66,191 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
66,191 observations
White-tailed Deer
Odocoileus virginianus
54,821 observations
Eastern Chipmunk
Tamias striatus
29,054 observations
Eastern Cottontail
Sylvilagus floridanus
28,362 observations
Common Raccoon
Procyon lotor
18,663 observations
American Red Squirrel
Tamiasciurus hudsonicus
18,301 observations
Groundhog
Marmota monax
13,409 observations
American Beaver
Castor canadensis
11,964 observations
Red Fox
Vulpes vulpes
11,206 observations
Coyote
Canis latrans
8,731 observations
American Black Bear
Ursus americanus
8,643 observations
North American Porcupine
Erethizon dorsatum
7,331 observations
Muskrat
Ondatra zibethicus
6,062 observations
Striped Skunk
Mephitis mephitis
5,933 observations
Virginia Opossum
Didelphis virginiana
5,504 observations
American Mink
Neogale vison
4,702 observations
Bobcat
Lynx rufus
4,216 observations
Northern Short-tailed Shrew
Blarina brevicauda
3,646 observations
Domestic Cat
Felis catus
3,449 observations
Brown Rat
Rattus norvegicus
3,301 observations
Moose
Alces alces
2,535 observations
North American River Otter
Lontra canadensis
2,322 observations
Gray Fox
Urocyon cinereoargenteus
2,113 observations
Fisher
Pekania pennanti
1,877 observations
Snowshoe Hare
Lepus americanus
1,468 observations
Big Brown Bat
Eptesicus fuscus
1,306 observations
Eastern Meadow Vole
Microtus pennsylvanicus
1,229 observations
Hairy-tailed Mole
Parascalops breweri
692 observations
White-footed Mouse
Peromyscus leucopus
690 observations
Star-nosed Mole
Condylura cristata
669 observations
Wapiti
Cervus canadensis
624 observations
Harbor Seal
Phoca vitulina
567 observations
Eastern Red Bat
Lasiurus borealis
543 observations
American Ermine
Mustela richardsonii
531 observations
Southern Flying Squirrel
Glaucomys volans
513 observations
House Mouse
Mus musculus
413 observations
Long-tailed Weasel
Neogale frenata
350 observations · iNaturalist
Masked Shrew
Sorex cinereus
272 observations
Northern Meadow Jumping Mouse
Zapus hudsonius
243 observations
Silver-haired Bat
Lasionycteris noctivagans
217 observations
Grey Seal
Halichoerus grypus
211 observations
Tamanend's Bottlenose Dolphin
Tursiops erebennus
207 observations
Eastern Woodland Jumping Mouse
Napaeozapus insignis
175 observations
Humpback Whale
Megaptera novaeangliae
170 observations
Little Brown Bat
Myotis lucifugus
159 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
125 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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