Seal vs. Sea Lion: What Is the Real Difference?

Seal vs. Sea Lion: Many of you have explored the oceans and seas and seen the seal. But there is also another marine mammal, which is the sea lion.

Yes, both animals live in and around the ocean, and they both have flippers and spend a lot of time in the water.

They both look almost the same, but they both are different animals. They both have different ears, flippers, body shapes, and ways of moving in the sea.

What Is a Seal?

A seal is a marine animal which spends most of its time under the water. They have smooth, rounded-shaped bodies with four flippers and a layer of fat that helps them to keep warm in the cold water.’

They are excellent swimmers, and they can stay in the water for long periods searching for food.

It is easy to find some similarities in a seal, one being its ears. Ear flaps can't be seen on most of the seals. 

Rather, they possess small ear openings at both sides of their head. Seals are not very good at walking on land. They have only backward flippers and typically take to the ground by wriggling or sliding.

Harbor seals, gray seals, leopard seals, and elephant seals are just a few of the many types of seals.

What Is a Sea Lion?

Another marine mammal that spends a lot of its life out at sea is a sea lion.

The sea lions are long and strong and their front flippers are large. They are strong swimmers and swim by using their front flippers.

Sea lions are easily identified by their ears. Small, visible ear flaps are located on the sides of a sea lion's head.

Sea lions may be able to move around quite well on land as opposed to seals. Their back flippers can walk forwards, and they can move their flippers across the ground.

Sea lions are also known as "noisy animals.Sea lions are also said to be noisy animals. They are able to bark loudly, particularly when in groups.

California sea lions and Steller sea lions are examples of sea lion species.

Are Seals and Sea Lions the Same?

No. Seals and sea lions are different animals, although they are related.

They are both members of a class of mammals known as pinnipeds, which are marine mammals. “Pinniped” translates to “fin-footed” and is used to describe an animal that has flippers.

Seal vs. Sea Lion: What Is the Real Difference?

Why Do Seals and Sea Lions Look Similar?

This is because they are both pinnipeds. They all share some features as they have adapted to life in and around the water.

They both have flippers, sleek bodies and thick layers of body fat which help them to retain body heat.

Although they look alike, there are some ways to distinguish them from their ears, flippers and their movements. 

Seal vs. Sea Lion: An Easy Way to Remember

Think of it this way:

SEAL

• No visible ear flaps

• Small front flippers

• Crawls on land

• Uses back flippers for swimming

• Usually quieter

SEA LION

• Visible ear flaps

• Large front flippers

• Can walk on land

• Uses front flippers for swimming

• Often makes loud barking sounds

So, seals and sea lions are both marine mammals looks very similar, but they are not the same animals.

A seal has no visible external ear flaps, has smaller front flippers, and usually crawls on its belly when it moves on land, while a sea lion has visible ear flaps, large front flippers, and can use its back flippers to walk on land.