🐻 Grizzly bear vs Leopard seal 🦭
The leopard seal is about twice as long as the grizzly bear. The leopard seal weighs about twice as much as the grizzly bear.
Getting the animals ready…
| Row | 🐻 Grizzly bear | 🦭 Leopard seal |
|---|---|---|
| Size The leopard seal is about twice as long as the grizzly bear. | 5 to 7 ft1.5 to 2.1 m1 | 9.8 to 12 ft3 to 3.8 m2 |
| Top speed We don't have a checked number for the leopard seal yet. | 35 mph56 km/h3 | no checked number yet |
| Weight The leopard seal weighs about twice as much as the grizzly bear. | 243 to 661 lb110 to 300 kg4 | 661 to 1,100 lb300 to 500 kg2 |
| Lives They are about the same. | 25 years25 years4 | 26 years26 years2 |
| Eats The grizzly bear eats plants and animals; the leopard seal eats meat. | roots, berries, grasses, nuts, fish, insects and meat | krill, squid and penguins |
| Lives in They live in different kinds of places, so they would hardly ever meet. | the mountains and forests of western North America, from Alaska to Wyoming | the pack ice around Antarctica and nearby islands |
Which one? Grizzly bear or leopard seal
🏁 Who would win the race?
We don't have a checked top speed for the leopard seal yet, so there is no race.
We only race. Real animals mostly avoid each other. A race is the only fair contest: who reaches the tree first, by top speed. Our face-off books compare real numbers, and nobody gets hurt.
10 things to know about Grizzly bear vs Leopard seal
- The grizzly bear: A big brown bear with a shoulder hump, strong enough to dig.
- The leopard seal: A big spotted seal that lives around the ice of Antarctica.
- They are the same kind of animal: both are mammals.
- The leopard seal is about twice as long as the grizzly bear: 2 against 1.
- The leopard seal weighs about twice as much as the grizzly bear. That is 4 for the grizzly bear and 2 for the leopard seal.
- They are about the same. Usual lifespans: 4 for the grizzly bear and 2 for the leopard seal.
- The grizzly bear eats roots, berries, grasses, nuts, fish, insects and meat. The leopard seal eats krill, squid and penguins.
- The grizzly bear lives in the mountains and forests of western North America, from Alaska to Wyoming. The leopard seal lives in the pack ice around Antarctica and nearby islands. They live in different kinds of places, so they would hardly ever meet.
- The grizzly bear: doing fine (Least Concern on the IUCN Red List). 5
- The leopard seal: doing fine (Least Concern on the IUCN Red List). 6
Wow facts
🐻 Grizzly bear
- The hump on its back is a big shoulder muscle for digging.
- Its cubs are born tiny, in the middle of winter.
- Many grizzlies eat more plants than meat.
🦭 Leopard seal
- A leopard seal strains krill from the water with its teeth.
- Female leopard seals are bigger than males.
- It lives in the pack ice around Antarctica.
Questions kids ask about Grizzly bear and Leopard seal
Which is bigger, grizzly bear or leopard seal?
The leopard seal is about twice as long as the grizzly bear: 2 against 1.
Which is heavier, grizzly bear or leopard seal?
The leopard seal weighs about twice as much as the grizzly bear. That is 4 for the grizzly bear and 2 for the leopard seal.
Which lives longer, grizzly bear or leopard seal?
They are about the same. Usual lifespans: 4 for the grizzly bear and 2 for the leopard seal.
What do grizzly bear and leopard seal eat?
The grizzly bear eats roots, berries, grasses, nuts, fish, insects and meat. The leopard seal eats krill, squid and penguins.
Where do grizzly bear and leopard seal live?
The grizzly bear lives in the mountains and forests of western North America, from Alaska to Wyoming. The leopard seal lives in the pack ice around Antarctica and nearby islands. They live in different kinds of places, so they would hardly ever meet.
Who would win, grizzly bear or leopard seal?
We never show fights, because a fight is not a fair way to compare animals. They live in different kinds of places, so they would hardly ever meet. What we can compare is how big, how heavy, how fast, how long they live and what they eat, as above.
📤 Share this pair
The link carries only the two animals’ names: peabody.kids/animals/compare/grizzly-bear-vs-leopard-seal
Where these numbers come from
- National Park Service, Bears (brown bears), checked 30 October 2026.
- University of Michigan Museum of Zoology, Animal Diversity Web: Hydrurga leptonyx (leopard seal), checked 10 November 2026.
- National Park Service, Glacier, checked 30 October 2026.
- US Fish and Wildlife Service (grizzly bear species profile), checked 30 October 2026.
- Wikidata, from the IUCN Red List, checked 30 October 2026.
- Wikidata, from the IUCN Red List, checked 10 November 2026.