Mammals of Alaska
The mammals most often spotted in Alaska, ranked by recent research-grade observations.
55,593
recent observations
50
species listed
50
mammals
Naturalists have logged 55,593 research-grade observations across the 50 most-recorded species in Alaska. The most frequently seen is the Moose, with 8,638 recorded sightings.
Rarer finds confirmed in Alaska include Grizzly Bear, Gray Wolf, Canada Lynx and Wolverine - uncommon enough that a sighting is worth logging.
Most-observed mammals in Alaska
Moose
Alces alces
8,638 observations
Brown Bear
Ursus arctos
4,963 observations
American Red Squirrel
Tamiasciurus hudsonicus
3,569 observations
Humpback Whale
Megaptera novaeangliae
3,146 observations
Sea Otter
Enhydra lutris
2,954 observations
Steller Sea Lion
Eumetopias jubatus
2,634 observations
Arctic Ground Squirrel
Urocitellus parryii
2,601 observations
American Black Bear
Ursus americanus
2,532 observations
Caribou
Rangifer tarandus
2,489 observations
Harbor Seal
Phoca vitulina
2,367 observations
Red Fox
Vulpes vulpes
1,718 observations
Thinhorn Sheep
Ovis dalli
1,701 observations
Snowshoe Hare
Lepus americanus
1,580 observations
Mule Deer
Odocoileus hemionus
1,394 observations
North American Porcupine
Erethizon dorsatum
1,342 observations
Orca
Orcinus orca
1,252 observations
American Beaver
Castor canadensis
1,101 observations
Mountain Goat
Oreamnos americanus
1,053 observations
Muskox
Ovibos moschatus
740 observations
Hoary Marmot
Marmota caligata
722 observations
North American River Otter
Lontra canadensis
538 observations
Gray Wolf
Canis lupus
500 observations
Collared Pika
Ochotona collaris
481 observations
Coyote
Canis latrans
452 observations
Muskrat
Ondatra zibethicus
429 observations
Canada Lynx
Lynx canadensis
422 observations
Dall's Porpoise
Phocoenoides dalli
402 observations
Beluga
Delphinapterus leucas
317 observations
Wapiti
Cervus canadensis
307 observations
Least Chipmunk
Neotamias minimus
303 observations
Wolverine
Gulo gulo
301 observations
Northern Red-backed Vole
Clethrionomys rutilus
253 observations · iNaturalist
American Marten
Martes americana
239 observations
American Mink
Neogale vison
228 observations
Polar Bear
Ursus maritimus
211 observations
Fin Whale
Balaenoptera physalus
208 observations
Arctic Fox
Vulpes lagopus
181 observations
Eurasian Stoat
Mustela erminea
177 observations
European Rabbit
Oryctolagus cuniculus
171 observations · iNaturalist
Grey Whale
Eschrichtius robustus
137 observations
Domestic Horse
Equus caballus
130 observations · iNaturalist
American Bison
Bos bison
126 observations · iNaturalist
Harbour Porpoise
Phocoena phocoena
122 observations
Ringed Seal
Pusa hispida
91 observations · iNaturalist
Nearctic Brown Lemming
Lemmus trimucronatus
77 observations
Bowhead Whale
Balaena mysticetus
71 observations
Walrus
Odobenus rosmarus
61 observations
Tundra Vole
Alexandromys oeconomus
60 observations · iNaturalist
Little Brown Bat
Myotis lucifugus
52 observations
Masked Shrew
Sorex cinereus
50 observations
Mammals in nearby places
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