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

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Table E-16. <strong>Marine</strong> Mammals Common in the NMFS Southwest Region<br />

Common Name Scientific Name<br />

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

California sea lion Zalophus<br />

californianus<br />

Guadalupe fur seal Arctocephalus<br />

townsendi<br />

Northern elephant<br />

seal<br />

Mirounga<br />

angustirostris<br />

Northern fur seal Callorhinus<br />

ursinus<br />

Federal<br />

Status<br />

under ESA<br />

E-25<br />

Distribution<br />

* Year-round resident<br />

T Breeds off Baja California<br />

* Year-round resident<br />

* Year-round resident<br />

Steller sea lion Eumetopias jubatas T/CH Visitor to area from southern<br />

breeding grounds, coastal to<br />

pelagic<br />

Phocids (true or earless seals)<br />

Harbor seal<br />

Mysticetes<br />

Phoca vitulina * Year-round resident<br />

Blue whale Balaenoptera<br />

musculus<br />

E Population highest in spring due to<br />

northward migration from<br />

subtropics<br />

Bryde’s whale Balaenoptera edeni * Rare in southern California<br />

Fin whale Balaenoptera<br />

physalus<br />

Gray whale Eschrichtius<br />

robustus<br />

Humpback whale Megaptera<br />

novaeangliae<br />

Minke whale Balaenoptera<br />

acutorostrata<br />

North Pacific right<br />

whale<br />

Eubalaena<br />

japonica<br />

Sei whale Balaenoptera<br />

borealis<br />

Odontocetes (toothed whales and dolphins)<br />

Baird’s beaked<br />

whale<br />

Blainville’s beaked<br />

whale<br />

E Common in summer, visits coastal<br />

waters in many areas, migratory<br />

* Migration population, with peak<br />

abundance in winter and spring<br />

E Migratory population, with peak<br />

abundance mainly during summer<br />

but also in autumn<br />

* Year-round resident, frequent<br />

coastal regions, bays, offshore<br />

banks<br />

E Only two sightings in southern<br />

California<br />

E Seen in summer/fall during<br />

migration, pelagic<br />

Berardius bairdii * Peak June-October, pelagic<br />

Mesoplodon<br />

densirostris<br />

* Pelagic<br />

Bottlenose dolphin Tursiops truncatus * Year-round resident; frequents<br />

bays and estuaries in southern<br />

regions

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