Bears are among the most powerful and fascinating animals on Earth, known for their strength, size, and adaptability. Found across forests, mountains, and icy regions, each bear species has unique features and survival skills. From the icy Arctic to the tropical forests of Asia, these mighty creatures vary greatly in size—some growing to enormous proportions, making them true giants of the animal kingdom.
Top-10 Largest Bears on Earth
Bears are some of the largest and most powerful animals on our planet. Found in different regions, their size, strength, and behavior vary greatly across species.
Here is the list of top-10 largest bears in the world:
| Rank | Species | Average Weight | Height |
| 1. | Polar Bear (Ursus maritimus) | 770–1,500 lbs | 7’10” – 9’10” |
| 2. | Kodiak Bear (Ursus arctos middendorffi) | 660–1,320 lbs | 8′ – 9’10” |
| 3. | Kamchatka Brown Bear (Ursus arctos beringianus) | Up to 1,430 lbs | 7’11” – 9’9″ |
| 4. | Ussuri Brown Bear (Ursus arctos lasiotus) | Around 880 lbs | 6′ – 9′ |
| 5. | Grizzly Bear (Ursus arctos horribilis) | 400–790 lbs | 6’5″ – 9′ |
| 6. | Eurasian Brown Bear (Ursus arctos arctos) | 550–660 lbs | Up to 8’3″ |
| 7. | American Black Bear (Ursus americanus) | 126–551 lbs | 3’11” – 6’7″ |
| 8. | Spectacled Bear (Tremarctos ornatus) | 220–440 lbs | 3’11” – 6’5″ |
| 9. | Asiatic Black Bear (Ursus thibetanus) | 130–440 lbs | 3’11” – 6’4″ |
| 10. | Sloth Bear (Melursus ursinus) | 176–320 lbs | 4’7″ – 6’3″ |
Polar Bear
The Polar Bear is the largest bear species on Earth and also the world’s biggest land carnivore. Found mainly in the Arctic regions of Canada, Alaska, Greenland, and Russia, these majestic animals are expert swimmers, often traveling long distances in search of seals — their primary food.
- Average Weight: 770–1,500 lbs (males)
- Height: 7’10” – 9’10”
- Fun Fact: The largest recorded Polar Bear weighed over 2,200 lbs and stood 11 feet tall!
Thick layers of fat and fur protect them from freezing temperatures, making them perfectly adapted to life on ice.
Kodiak Bear
The Kodiak Bear, found only on the Kodiak Islands of Alaska, rivals the Polar Bear in size. This subspecies of the Brown Bear is known for its enormous bulk and calm temperament.
- Average Weight: 660–1,320 lbs
- Height: 8′ – 9’10”
- Habitat: Alaska’s Kodiak Archipelago
Their diet includes salmon, berries, and plants, and despite their intimidating size, Kodiak Bears are usually shy and non-aggressive unless provoked.
Kamchatka Brown Bear
The Kamchatka Bear is one of the largest Eurasian brown bear subspecies, found in Russia’s Kamchatka Peninsula. These massive bears can reach impressive weights and are known for their strength and dominance in their ecosystem.
- Average Weight: Up to 1,430 lbs
- Height: 7’11” – 9’9″
- Habitat: Russia’s Far East
Kamchatka Bears mostly eat salmon, berries, and vegetation, and they play an important role in maintaining the ecological balance of their habitat.
Ussuri Brown Bear
Also known as the Black Grizzly, the Ussuri Brown Bear is found across Eastern Russia, Japan, China, and Korea. They closely resemble other brown bear species but are slightly smaller and darker in color.
- Average Weight: Around 880 lbs
- Height: 6′ – 9′
- Habitat: Forested and mountainous regions of East Asia
They are omnivorous, eating fruits, nuts, fish, and small animals, and are known for their adaptability to changing environments.
Grizzly Bear
The Grizzly Bear is one of the most famous bear species in the world, known for its muscular build and iconic hump of muscle on its shoulders. Found mainly in North America, these bears can be both powerful predators and gentle foragers.
- Average Weight: 400–790 lbs
- Height: 6’5″ – 9′
- Habitat: USA, Canada, and Alaska
Their diet is mainly plant-based, but they also hunt fish and small mammals when food is scarce. Grizzlies are respected for their strength and often symbolize wilderness power.


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