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  4. Sea Lions

Species group · Mammals

Sea Lions

WAnimals has 3 species of sea lion, in the family Otariidae.

3 species
1 family
14 countries
30 parks
Weight
50 kg – 1.1 t
Length
1.5 m – 3.3 m
Lifespan
17 – 25 years

Ranges calculated from the profiles that record the figure, not from all 3.

All 3 species of sea lions on WAnimals

Each one has its own full profile. This group does not replace them: it brings them together.

South American Sea LionLeast Concern

South American Sea Lion

Otaria flavescens

9 countries13 parks6 dive sites
Californian Sea LionLeast Concern

Californian Sea Lion

Zalophus californianus

3 countries13 parks12 dive sites
Steller Sea LionNear Threatened

Steller Sea Lion

Eumetopias jubatus

4 countries8 parks6 dive sites

Conservation status

2 Least Concern1 Near Threatened

No species documented in this group is genuinely at risk according to the IUCN, with the data available today.

Where they live

Recorded in 14 countries. The ones with the most species in the group:

  • Canada2
  • United States2
  • Argentina1
  • Bolivia1
  • Brazil1
  • Chile1
  • Ecuador1
  • Falkland Islands1
  • Japan1
  • Mexico1
  • Paraguay1
  • Peru1
  • Russia1
  • Uruguay1

Where to see them

  • Gwaii Haanas2 species
  • Olympic2 species
  • Pacific Rim2 species
  • Redwood2 species
  • Alberto de Agostini1 species
  • Bernardo O'Higgins1 species
  • Cabo Polonio1 species
  • Cabo Pulmo1 species
  • Channel Islands1 species
  • Chiloe1 species
  • Diego Ramírez Islands1 species
  • Glacier Bay1 species
  • Monterey Bay (Point Lobos)diving
  • Ballestas Islandsdiving
  • Browning Pass (Vancouver Island)diving
  • Cabo Pulmo National Parkdiving
  • Catalina Island (Casino Point)diving
  • Channel Islands National Parkdiving

Did you know…?

  • The sexual dimorphism is among the most marked of any pinniped: an adult bull can weigh 350 kilos and a cow barely 150.

    From South American Sea Lion

  • At Península Valdés, in Argentina, killer whales deliberately strand themselves on the beach to take sea lion pups, a hunting technique practised by only a few killer whale families in the world.

    From South American Sea Lion

  • It is one of the most intelligent and trainable pinnipeds in the world.

    From Californian Sea Lion

  • Males grow a prominent bony sagittal crest on the head when they reach sexual maturity.

    From Californian Sea Lion

  • It is a regular member of the US Navy's marine mammal programme, which trains it to locate and recover underwater objects.

    From Californian Sea Lion

  • It is the largest sea lion in the world: males can weigh over a tonne and are three times the size of females.

    From Steller Sea Lion

  • It was described by Georg Wilhelm Steller in 1741, on the same Bering Sea expedition on which he documented the sea cow that also bears his name and that went extinct 27 years later.

    From Steller Sea Lion

Ecosystems

  • Ocean3
  • Islands1

Related guides

  • Where to see Sea Lions in the United States11 places

See every species group · Explore the species one by one

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