Walrus vs Sea Lion for Kids: Pinniped Comparison

Compare walruses and sea lions with a simple kid-friendly table, fun facts, pinniped-showdown winners, quiz, glossary, and activity.

🦭🦭 Animal Comparison for Kids

Walrus vs Sea Lion for Kids

Walruses and sea lions are both pinnipeds, but their bodies are built for very different lifestyles. Walruses are massive Arctic mammals with tusks, thick blubber, and sensitive whiskers for finding shellfish. Sea lions are lighter, faster, louder, and more agile, with visible ear flaps and hind flippers that rotate forward for walking on land.

📚 Ages 7–12 ⭐ Easy 🔎 Pinniped Comparison 🏷️ Ocean Animals,Sea Lions,Walruses,Marine Mammals,Arctic Animals,Carnivores,Pinnipeds,Social Animals,Large Animals,Animal Comparisons

Walrus

  • Type: Mammal
  • Group: Walrus Pinniped
  • Known for: Long tusks, thick blubber, sensitive whiskers, huge size, Arctic herds, and clam feeding
  • Diet: Carnivore
  • Special skill: Finding buried shellfish with sensitive whiskers and sucking soft prey from shells with a powerful mouth

Sea Lion

  • Type: Mammal
  • Group: Eared Seal Pinniped
  • Known for: External ear flaps, loud barking calls, agile swimming, social colonies, and walking on land
  • Diet: Carnivore
  • Special skill: Rotating its hind flippers beneath the body to move on land and steering through water with powerful front flippers

Quick Answer

Quick answer: Walruses are much larger Arctic pinnipeds with tusks, thick blubber, and bristly whiskers. Sea lions are smaller, have visible ear flaps, swim with powerful front flippers, and can rotate their hind flippers underneath the body to walk on land. Both breathe air, eat animals, form social groups, and care for young.

Walrus vs Sea Lion: Quick Comparison

FeatureWalrusSea Lion
Animal typeMarine mammalMarine mammal
Animal groupWalrus pinnipedEared seal pinniped
Known forTusks, whiskers, thick blubber, and Arctic herdsEar flaps, barking calls, agile swimming, and walking on land
Main habitatShallow Arctic seas, pack ice, and northern coastsTemperate and subpolar coasts, islands, beaches, and bays
Typical sizeMuch larger and heavierSmaller and more streamlined
External earsNo visible ear flapsSmall visible ear flaps
TeethLong upper canine tusks plus ordinary teethSharp teeth for gripping fish, squid, and other prey
Baby nameCalfPup
Land movementCan support the body with forward-rotating hind flippers but moves heavilyWalks and climbs more easily using all four flippers
Special skillWhisker-guided suction feedingAgile front-flipper swimming and loud communication

How Are Walruses and Sea Lions Alike?

  • Both walruses and sea lions are pinnipeds, or flipper-footed marine mammals.
  • Both breathe air with lungs and must surface regularly.
  • Both have blubber, whiskers, flippers, and streamlined bodies for life in water.
  • Both give birth to live young and feed them milk.
  • Both haul out on land or ice to rest, breed, molt, or care for young.

How Are Walruses and Sea Lions Different?

  • Walruses have long tusks, while sea lions do not.
  • Walruses are much larger and heavier than most sea lions.
  • Sea lions have visible ear flaps, while walruses have small ear openings without external flaps.
  • Walruses mainly search the seafloor for clams and other invertebrates, while sea lions chase fish and squid.
  • Sea lions are faster and more agile on land and in water.

Walrus vs Sea Lion Showdown

Bigger animalWalrus
SpeedSea Lion
StrengthWalrus
StealthSea Lion
Social lifeTie
SwimmingSea Lion
Weirdest factWalrus
Overall lessonBoth are amazing

Pinniped showdown: The walrus wins for size and strength because adults can weigh well over a tonne and carry long tusks. The sea lion takes speed, stealth, and swimming with its streamlined body, powerful front flippers, and quick turns. Social life is a tie because walruses form huge herds and sea lions crowd into noisy colonies. The walrus wins our weirdest-fact prize because its sensitive whiskers can find buried clams before its mouth vacuums the soft animal from the shell.

Fun Walrus vs Sea Lion Facts

Tusks vs Ear Flaps

Walruses grow elongated upper canine teeth into tusks, and both males and females can have them. Sea lions have no tusks, but they do have small visible ear flaps, which help identify them as eared seals.

The walrus wears two giant teeth outside; the sea lion shows off two tiny ears.

Arctic Heavyweight vs Coastal Athlete

Walruses are massive, thick-blubbered Arctic specialists built for icy water and crowded haul-outs. Sea lions are smaller and more streamlined, allowing faster swimming, sharper turns, and easier movement over rocks and beaches.

The walrus is an Arctic bulldozer; the sea lion is a coastal gymnast.

Clam Vacuum vs Fish Chaser

Walruses use sensitive whiskers to locate clams and other bottom animals, then remove soft prey with powerful suction. Sea lions actively chase fish, squid, and other swimming prey using speed, vision, and maneuverability.

The walrus vacuums lunch from the mud; the sea lion races after it through the water.

Heavy Shuffle vs Four-Flipper Walk

Walruses can rotate their hind flippers forward and support their bodies on land, but their great weight makes movement slow and heavy. Sea lions rotate their hind flippers underneath and use all four limbs to walk, run, and climb much more easily.

The walrus lumbers like a furry tank; the sea lion trots on four flipper-feet.

Walrus Whiskers Are Food Detectors

A walrus has hundreds of stiff, highly sensitive whiskers called vibrissae around its snout. These whiskers detect shapes, textures, and movement on the seafloor, helping the animal locate prey even in dark or cloudy water.

The walrus carries a bristly underwater metal detector on its face.

Walrus vs Sea Lion Quiz

  1. Which animal usually has long tusks? Answer: Walrus.
  2. Which animal has visible ear flaps? Answer: Sea lion.
  3. What is a baby walrus called? Answer: A calf.
  4. What is a baby sea lion called? Answer: A pup.
  5. Which animal usually swims faster and moves more easily on land? Answer: Sea lion.

Walrus vs Sea Lion FAQ

What is the main difference between a walrus and a sea lion?

A walrus is a huge Arctic pinniped with tusks, thick blubber, and sensitive whiskers. A sea lion is a smaller eared seal with visible ear flaps, strong front flippers, and excellent land mobility.

Which is bigger, a walrus or a sea lion?

The walrus is generally much larger and heavier than any sea lion species.

Can walruses and sea lions walk on land?

Yes. Both can rotate their hind flippers forward, but sea lions walk, run, and climb more easily. Walruses move more slowly because of their enormous weight.

Do walruses and sea lions eat the same food?

Their diets can overlap, but walruses mainly eat clams and other bottom animals. Sea lions usually chase fish and squid.

Are walruses and sea lions seals?

Both are pinnipeds. Sea lions are eared seals in the family Otariidae, while walruses belong to their own family, Odobenidae.

Animal Words to Know

  • Pinniped: A flipper-footed marine mammal such as a seal, sea lion, or walrus.
  • Tusk: A greatly enlarged tooth that projects outside the mouth.
  • Vibrissae: Sensitive whiskers used to detect touch and movement.
  • Haul-out: A place where marine mammals leave the water to rest on land or ice.
  • Otariid: A member of the eared seal family, which includes sea lions and fur seals.

Walrus and Sea Lion Pinniped Detective Activity

Walrus and Sea Lion Pinniped Detective Activity

Draw a huge walrus and a smaller sea lion at a realistic relative scale. Give the walrus long tusks, thick whiskers, heavy blubber, clams, and Arctic sea ice. Give the sea lion visible ear flaps, long front flippers, a fish, and a rocky coastal colony. Label pinniped, tusk, vibrissae, ear flap, calf, pup, haul-out, and suction feeding.

Meet Each Animal

Want the full fact file? Here are quick highlights from each animal’s own facts page.

Walrus Fact Highlight

From the full animal facts page
Walrus tusks are actually long canine teeth, and both males and females can have them.
Read Walrus Facts for Kids →

Sea Lion Fact Highlight

From the full animal facts page
Sea lions can “walk” on land by rotating their hind flippers under their bodies, while true seals usually cannot.
Read Sea Lion Facts for Kids →

More Animal Comparisons

Pick another animal matchup and keep exploring. Tiny facts, big questions, very serious animal business.

Make an Animal Story

Turn this walrus vs sea lion comparison into an icy coastal adventure with our free Animal Story Generator.

Open Animal Story Generator
Source notes: Fact sources: Smithsonian Ocean pinniped resources; National Oceanic and Atmospheric Administration Fisheries walrus and sea lion resources; U.S. Fish and Wildlife Service walrus resources; Alaska Department of Fish and Game walrus resources; Marine Mammal Center sea lion resources; International Union for Conservation of Nature walrus and sea lion species accounts; Animal Diversity Web; Mammal Diversity Database; peer-reviewed pinniped taxonomy, anatomy, tusk function, whisker sensitivity, locomotion, feeding ecology, reproduction, social behavior, and conservation references.