🐻 Grizzly bear vs Komodo dragon 🦎
The Komodo dragon is about one and a half times as long as the grizzly bear. The grizzly bear is about 3 times as fast as the Komodo dragon. The grizzly bear weighs about 3 times as much as the Komodo dragon.
Getting the animals ready…
| Row | 🐻 Grizzly bear | 🦎 Komodo dragon |
|---|---|---|
| Size The Komodo dragon is about one and a half times as long as the grizzly bear. | 5 to 7 ft1.5 to 2.1 m1 | 10 ft3.1 m2 |
| Top speed The grizzly bear is about 3 times as fast as the Komodo dragon. | 35 mph56 km/h3 | 9.9 to 12 mph16 to 20 km/h2 |
| Weight The grizzly bear weighs about 3 times as much as the Komodo dragon. | 243 to 661 lb110 to 300 kg4 | 154 lb70 kg2 |
| Lives The Komodo dragon lives a bit longer than the grizzly bear. | 25 years25 years4 | 30 years30 years2 |
| Eats The grizzly bear eats plants and animals; the Komodo dragon eats meat. | roots, berries, grasses, nuts, fish, insects and meat | deer, pigs and dead animals |
| Lives in They can live in the same kind of place. | the mountains and forests of western North America, from Alaska to Wyoming | a few islands in Indonesia, including Komodo |
Which one? Grizzly bear or Komodo dragon
🏁 Who would win the race?
The grizzly bear gets to the tree first. Over a short dash it is about 3 times as fast as the Komodo dragon.
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.
11 things to know about Grizzly bear vs Komodo dragon
- The grizzly bear: A big brown bear with a shoulder hump, strong enough to dig.
- The Komodo dragon: The biggest lizard alive, with a forked tongue that tastes the air.
- They are different kinds of animal. The grizzly bear is a mammal, so it breathes air with lungs and feeds its babies milk; the Komodo dragon is a reptile, so it has scaly skin.
- The Komodo dragon is about one and a half times as long as the grizzly bear: 2 against 1.
- The grizzly bear weighs about 3 times as much as the Komodo dragon. That is 4 for the grizzly bear and 2 for the Komodo dragon.
- The grizzly bear is about 3 times as fast as the Komodo dragon. Top speeds: 3 for the grizzly bear and 2 for the Komodo dragon.
- The Komodo dragon lives a bit longer than the grizzly bear. Usual lifespans: 4 for the grizzly bear and 2 for the Komodo dragon.
- The grizzly bear eats roots, berries, grasses, nuts, fish, insects and meat. The Komodo dragon eats deer, pigs and dead animals.
- The grizzly bear lives in the mountains and forests of western North America, from Alaska to Wyoming. The Komodo dragon lives in a few islands in Indonesia, including Komodo. They can live in the same kind of place.
- The grizzly bear: doing fine (Least Concern on the IUCN Red List). 5
- The Komodo dragon: in danger (Endangered 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.
🦎 Komodo dragon
- It smells with its tongue by flicking it in the air.
- Young Komodo dragons live in trees.
- A female can sometimes have babies with no father.
Questions kids ask about Grizzly bear and Komodo dragon
Which is bigger, grizzly bear or Komodo dragon?
The Komodo dragon is about one and a half times as long as the grizzly bear: 2 against 1.
Which is heavier, grizzly bear or Komodo dragon?
The grizzly bear weighs about 3 times as much as the Komodo dragon. That is 4 for the grizzly bear and 2 for the Komodo dragon.
Which is faster, grizzly bear or Komodo dragon?
The grizzly bear is about 3 times as fast as the Komodo dragon. Top speeds: 3 for the grizzly bear and 2 for the Komodo dragon.
Which lives longer, grizzly bear or Komodo dragon?
The Komodo dragon lives a bit longer than the grizzly bear. Usual lifespans: 4 for the grizzly bear and 2 for the Komodo dragon.
What do grizzly bear and Komodo dragon eat?
The grizzly bear eats roots, berries, grasses, nuts, fish, insects and meat. The Komodo dragon eats deer, pigs and dead animals.
Where do grizzly bear and Komodo dragon live?
The grizzly bear lives in the mountains and forests of western North America, from Alaska to Wyoming. The Komodo dragon lives in a few islands in Indonesia, including Komodo. They can live in the same kind of place.
Do Komodo dragons eat grizzly bears?
The Komodo dragon eats deer, pigs and dead animals. Grizzly bears are not in that list, which comes from its page.
Who would win, grizzly bear or Komodo dragon?
We never show fights, because a fight is not a fair way to compare animals. They can share the same kind of place, and real animals mostly keep out of each other's way. 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-komodo-dragon
Where these numbers come from
- National Park Service, Bears (brown bears), checked 30 October 2026.
- Smithsonian's National Zoo, Komodo dragon, checked 30 October 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 30 October 2026.