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Volume III, Appendices EM - National Marine Fisheries Service ...

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Table E-18. <strong>Marine</strong> Mammals Common in the NMFS Alaska Region<br />

Common Name Scientific Name<br />

Federal<br />

Status<br />

under ESA<br />

Distribution<br />

Otarrids (eared seals or sea lions)<br />

Bearded seal Erignathus<br />

* Occur along continental shelf of<br />

barbatus<br />

Beaufort, Chukchi, and Bering Seas<br />

Northern fur seal Callorhinus<br />

* Found in Pribilof Islands and San<br />

ursinus<br />

Miguel Island, breeding areas,<br />

occur summer-fall<br />

Steller sea lion Eumetopias<br />

T/E/CH Distributed around North Pacific<br />

jubatas<br />

rim, northward to Bering Sea and<br />

along eastern shore of Kamchatka<br />

Peninsula, Gulf of Alaska, and<br />

Aleutian Islands<br />

Phocids (true or earless seals)<br />

Harbor seal Phoca vitulina * Year-round resident, northern<br />

extent is Bristol Bay/Kuskokwim<br />

Bay area<br />

Northern elephant Mirounga<br />

* Males feed near eastern Aleutian<br />

seal<br />

angustirostris<br />

Islands, and in Gulf of Alaska<br />

Ribbon seal Histriophoca<br />

* Found in Bering and Chukchi seas;<br />

fasciata<br />

winter-spring, offshore along ice<br />

front; summer range unknown;<br />

breeds along ice front<br />

Ringed seal Phoca hispida * Found in southern Bering Sea<br />

Spotted seal Phoca largha * Occur along continental shelf of<br />

Beaufort, Chukchi, and Bering Seas<br />

Odobenids (walrus)<br />

Walrus Odobenus<br />

* Found in shallow water areas, close<br />

rosmarus<br />

to ice or land; geographic range<br />

divergens<br />

encircles the Polar Basin<br />

Mysticetes (baleen whales)<br />

Blue whale Balaenoptera<br />

E Occur from the Gulf of Alaska to<br />

musculus<br />

the Aleutian Islands, pelagic, may<br />

frequent coastal waters and shallow<br />

banks<br />

Bowhead whale Balaena mysticetus E Occur in the coastal and offshore<br />

regions, mostly along ice fronts and<br />

leads, migratory<br />

Fin whale B. physalus E Common in summer, generally<br />

pelagic, visits coastal waters in<br />

many areas, migratory<br />

Gray whale Eschrichtius<br />

* Migrate along the Alaskan coast in<br />

robustus<br />

winter and early spring; inhabit the<br />

eastern Alaskan waters during<br />

summer; occur in both the Bering<br />

and Chukchi seas<br />

E-30

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