Mammals of Glacier Bay National Park

The mammals most often spotted in Glacier Bay, ranked by recent research-grade observations.

1,887

recent observations

26

species listed

26

mammals

Naturalists have logged 1,887 research-grade observations across the 26 most-recorded species in Glacier Bay. The most frequently seen is the Sea Otter, with 505 recorded sightings.

Rarer finds confirmed in Glacier Bay include Grizzly Bear, Gray Wolf and Wolverine - uncommon enough that a sighting is worth logging.

Grizzly Bear Gray Wolf Wolverine

Most-observed mammals in Glacier Bay

505 observations

Steller Sea Lion

Eumetopias jubatus

318 observations

Megaptera novaeangliae

250 observations

179 observations

146 observations

Oreamnos americanus

138 observations

73 observations

North American Porcupine

Erethizon dorsatum

62 observations

54 observations

American Black Bear

Ursus americanus

43 observations

American Red Squirrel

Tamiasciurus hudsonicus

28 observations

Harbour Porpoise

Phocoena phocoena

27 observations

17 observations

North American River Otter

Lontra canadensis

12 observations

Odocoileus hemionus

Marmota caligata

Dall's Porpoise

Phocoenoides dalli

Little Brown Bat

Myotis lucifugus

Mustela erminea

American Beaver

Castor canadensis

Eschrichtius robustus

Common Minke Whale

Balaenoptera acutorostrata

California Sea Lion

Zalophus californianus

Northern Flying Squirrel

Glaucomys sabrinus

Mammals in nearby places

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