Mammals of Alaska
The mammals most often spotted in Alaska, ranked by recent research-grade observations.
56,655
recent observations
50
species listed
50
mammals
Naturalists have logged 56,655 research-grade observations across the 50 most-recorded species in Alaska. The most frequently seen is the Moose, with 8,797 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
8,797 observations
Brown Bear
Ursus arctos
5,052 observations
American Red Squirrel
Tamiasciurus hudsonicus
3,643 observations
Humpback Whale
Megaptera novaeangliae
3,188 observations
Sea Otter
Enhydra lutris
3,042 observations
Steller Sea Lion
Eumetopias jubatus
2,697 observations
Arctic Ground Squirrel
Urocitellus parryii
2,647 observations
American Black Bear
Ursus americanus
2,579 observations
Caribou
Rangifer tarandus
2,544 observations
Harbor Seal
Phoca vitulina
2,416 observations
Red Fox
Vulpes vulpes
1,737 observations
Thinhorn Sheep
Ovis dalli
1,723 observations
Snowshoe Hare
Lepus americanus
1,624 observations
Mule Deer
Odocoileus hemionus
1,416 observations
North American Porcupine
Erethizon dorsatum
1,361 observations
Orca
Orcinus orca
1,271 observations
American Beaver
Castor canadensis
1,123 observations
Mountain Goat
Oreamnos americanus
1,069 observations
Muskox
Ovibos moschatus
773 observations
Hoary Marmot
Marmota caligata
738 observations
North American River Otter
Lontra canadensis
543 observations
Gray Wolf
Canis lupus
503 observations
Collared Pika
Ochotona collaris
487 observations
Coyote
Canis latrans
455 observations
Muskrat
Ondatra zibethicus
434 observations
Canada Lynx
Lynx canadensis
427 observations
Dall's Porpoise
Phocoenoides dalli
408 observations
Beluga
Delphinapterus leucas
324 observations
Least Chipmunk
Neotamias minimus
309 observations
Wapiti
Cervus canadensis
307 observations
Wolverine
Gulo gulo
302 observations
Northern Red-backed Vole
Clethrionomys rutilus
261 observations · iNaturalist
American Marten
Martes americana
239 observations
American Mink
Neogale vison
230 observations
Fin Whale
Balaenoptera physalus
211 observations
Polar Bear
Ursus maritimus
211 observations
Eurasian Stoat
Mustela erminea
187 observations
Arctic Fox
Vulpes lagopus
185 observations
European Rabbit
Oryctolagus cuniculus
174 observations · iNaturalist
Grey Whale
Eschrichtius robustus
143 observations
Domestic Horse
Equus caballus
132 observations · iNaturalist
American Bison
Bos bison
127 observations · iNaturalist
Harbour Porpoise
Phocoena phocoena
125 observations
Ringed Seal
Pusa hispida
91 observations
Bowhead Whale
Balaena mysticetus
86 observations
Nearctic Brown Lemming
Lemmus trimucronatus
77 observations
Walrus
Odobenus rosmarus
63 observations
Tundra Vole
Alexandromys oeconomus
62 observations
Bearded Seal
Erignathus barbatus
57 observations
Masked Shrew
Sorex cinereus
55 observations
Mammals in nearby places
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