sea lion

Table of Contents

Introduction References & Edit History Related Topics

Images

Southern sea lions (Otaria byronia).

Sea lion in Galapagos National Park, Galapagos Islands, Ecuador.

Tierra del Fuego

For Students

sea lion summary

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cat. orange and white persian cat with long hair, snarl, growl, teeth

7 Questions About Mammals Answered

animal. Amphibian. Frog. Anura. Ranidae. Frog in grass.

Abundant Animals: The Most Numerous Organisms in the World

Head of brown fur seal, Namibia. Cape fur seals, eared seals.

What’s the Difference Between Seals and Sea Lions?

Spider monkey swinging in a tree. (primate, jungle animal)

Why Do Animals Have Tails?

Ruminant. Deer. Red deer. Cervus elaphus. Buck. Stag. Antlers.

9 of the World’s Deadliest Mammals

Discover

Germans from East and West stand on the Berlin Wall in front of the Brandenburg Gate in the November 10, 1989, photo, one day after the wall opened.

Timeline of the 1980s

Aurochs. Bos primigenius. Skeleton. Extinct animal. Skeleton of an Aurochs, an extinct wild ox.

6 Animals We Ate Into Extinction

Dancers at a Cinco de Mayo festival at the Mission District, San Francisco, California. (Photo dated 2019.) holidays

Is Cinco de Mayo Mexico's Independence Day?

Aspirin pills.

7 Drugs that Changed the World

Portrait of a mountain gorilla at a short distance. gorilla close up portrait.The mountain gorilla (Gorilla beringei beringei)

Falling Stars: 10 of the Most Famous Endangered Species

Big beaver gnawing on limb at river's edge

6 Animal Species that Mate for Life

Cathedrale St.Jean in Lyon, France has a 14th-century astronomical clock that shows religious feast days till the year 2019; Perpetual Calendar

Ten Days That Vanished: The Switch to the Gregorian Calendar

sea lion: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

News •

S’pore’s AI large language model Sea-Lion to offer more features as more firms use it in S-E Asia • May 5, 2025, 8:21 AM ET (Straits Times)

Ronan the Sea Lion Is Probably Better Than You at Keeping a Beat • May 1, 2025, 6:27 AM ET (New York Times)

Photos

Southern sea lions (Otaria byronia).

Sea lion in Galapagos National Park, Galapagos Islands, Ecuador.

Tierra del Fuego

See All Images →

Topics

California sea lion Galapagos sea lion southern sea lion northern sea lion New Zealand sea lion Australian sea lion eared seal fur seal cetacean manatee dolphin whale sirenian dugong porpoise walrus sea otter

Quiz

vulture. An adult bearded vulture at a raptor recovery center. The Gypaetus barbatus also known as the Lammergeier or Lammergeyer, is a bird of prey and considered an Old World vulture.

Animal Factoids

Lion (panthera leo)

Deadliest Animals Quiz

Mute swan with cygnet. (birds)

Match the Baby Animal to Its Mama Quiz

Dromedary camels (Camelus dromedarius). Animals, mammals.

Ultimate Animals Quiz

Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters

Animal Group Names

Young chimpanzee dressed in a shirt and sweater vest, scratching his head thinking. (primates)

Wild Words from the Animal Kingdom Vocabulary Quiz

List

animal. Amphibian. Frog. Anura. Ranidae. Frog in grass.

Abundant Animals: The Most Numerous Organisms in the World

cat. orange and white persian cat with long hair, snarl, growl, teeth

7 Questions About Mammals Answered

Demystified

Head of brown fur seal, Namibia. Cape fur seals, eared seals.

What’s the Difference Between Seals and Sea Lions?